Question

Polynomials -class 10​

Answer 1

This is your answer ...Short cuts used every where But every step is fine..!

Answer 2

Answer:

Step-by-step explanation:

f(x)= x square - 7x - 12

α+β= -(-7)

= 7

αβ = -12

So, 1/α+1/β-2αβ

(α+β)/αβ-2(-12)

(7/-12)+24

(-7+288)/12

281/12