Question

Verify identity 4 for a=2,b=3,x=5

Answer 1

Answer:

Using identity (x-a) (x-b) = x2 - (a+b)x + ab

Step-by-step explanation:

(5-2)(5-3) = LHS

3 x 2 = 6 = LHS ----------- 1

(5)2 - ( 2+ 3 )5 + 2 x 3 = RHS

RHS = 25-25 + 6

RHS = 6 ---------2

From 1 and 2 LHS = RHS

Hence proved