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If alpha and beta are the zeroes of the polynomial x^2+5x+5, find the value of α^-1 + β^-1.

If alpha and beta are the zeroes of the polynomial x^2+5x+5, find the value of α^-1 + β^-1. Polynomials class 10 important questions.
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Other important questions for class 10 polynomials are given below. Students are requested to view all the questions in the order in which I am writing them. Once you solve all of them, you can b sure of attempting almost any question that comes in your exam from this chapter.

1) If α and β are the zeroes of the polynomial x^2+5x+5, find the value of α^-1 + β^-1.
https://youtu.be/cm8xn2TpmPY

2) If α and β are the zeroes of the polynomial x^2+7x+7, find the value of 1/α + 1/β - 2αβ.
https://youtu.be/JkDJ-0gd7Ww

3) if α and β are the zeroes of polynomial 2x^2 - 7x + 3, then find the value of α^2 + β^2.
https://youtu.be/XUwUVUmhOQg

4) If α, β and γ are the zeroes of the polynomial p(x) = ax^3 + bx^2 + cx + d, find the value of 1/α + 1/β + 1/γ.
https://youtu.be/MUS3qcBDsF8

5) If one zero of the polynomial (a^2+9)x^2 + 13x + 6a is reciprocal of the other, find the value of a.
https://youtu.be/3pk7V47Z_IM

6) If one of the zeroes of the polynomial is equal in magnitude, but opposite in sign, then find the value of k.
https://youtu.be/S6qbUFYd1Ys

7) If one zero of the polynomial 3x^2 = 8x + 2k + 1 is seven times the other, then find the zeroes and the value of k.
https://youtu.be/N_7AlG-mTGQ

8) If α and β are the zeroes of f(x)= x^2-6x+k, then find the value of k if α ^2 + β ^2=40.
https://youtu.be/Z456B1djrYY

9) If the squared difference of the zeroes of f(x)=x^2+px+45 is 144, find p
https://youtu.be/bkoN2gOvW2s

10) If α and β are the zeroes of x^2 – 6x + k, such that α - β = 1, then find the value of k.
https://youtu.be/NJmDE66YBxE
11) If α and β are the zeroes of x^2 – 6x + a, find the value of a, if 3α + 2β = 20
https://youtu.be/Flrzf7OMTrc

12) If α and β are the zeroes of the polynomial x^2 - 2x - 15, then find the polynomial whose zeroes are 2α and 2β.
https://youtu.be/0bPodjroGGI

13) Find the zeroes of y^2 + 4√3 y – 15
https://youtu.be/DkamaIr_YoY

14) Find the zeroes of 4x^2 + 5√2 x – 3
https://youtu.be/uAa_DEpsws0

15) If the zeroes of polynomial x^3-ax^2+bx-c are in AP, then show that 2a^3-9ab+27c=0
https://youtu.be/wyBzDPRkBgg

16) Find the zeroes of the polynomial x^3 - 13x^2 + 52x - 60 if it is given that the product of its two zeroes is 10.
https://youtu.be/kyK6wE02tl8

17) For which values of a and b, are the zeroes of q(x) = x3 + 2x2 + a also the zeroes of the polynomial p(x) = x5-x4-4x3+3x2+3x+b ?
https://youtu.be/HSzJm8x5AcU

18) If α, β and γ are the zeroes of polynomial kx^3 – 5x + 9 and α^3 + β^3 + γ^3 = 27, then find the value of k.
https://youtu.be/cbdmlZiMlqw

19) Is polynomial y^4 + y^2 + 5 have zeroes or not ?
https://youtu.be/k7daGizfDvU

20) Use factor theorem to prove that x+a is a factor of x^n + a^n if n is an odd positive integer.
https://youtu.be/z8HxHpyVCz8

21) If (x+a) is a factor of two polynomials x^2+px+q and x^2+mx+n, then prove that : a=n- q/m-p
https://youtu.be/-9GmvZRM67E

22) If 1 and -1 are the zeroes of the polynomial Lx^4 + Mx^3 + Nx^2 + Rx + P, then show that L + N + P = M + R = 0
https://youtu.be/75R8z4OVXsA

23)

Видео If alpha and beta are the zeroes of the polynomial x^2+5x+5, find the value of α^-1 + β^-1. канала Avi Jain Classes
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