Question

x = a + 1 a and y = a - 1 a find the value of x2 - y

Answer 1

Answer:

x^2 - y

(a+1)^2 -( a-1)

a^2+1^2+2(a)(1)- (a-1)

a^2+1+2a-a-1

a^2+1-1+2a-a

a^2+0+a

a^2+a

Answer 2

Step-by-step explanation:

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