Question

if alpha, beta are the roots of 5xsquare + 5x + 6 = 0. find the value of ( 1 + alpha) ( 1+ beta)​

Answer 1

Answer:

f(x)=x2+5x+5Comparingfromtheabovepolynomialwegeta=1,b=5,c=5So,Sumofzeros=α+β=a−b=5Productofzeros=αβ=ac=5valueofα−1+β−1=α1+β1=αββ+α=5−5=1