Find the products: (x2+7) (x2+7)

1.	Find the products: (x2+7) (x2+7)
Answer» Given that (x²+7) (x²+7) But we can write the given expression as (x²+7) (x²+7)= (x²+7)² But we have (a + b)²=a²+2ab+b² On applying above identity in the given expression we get, (x²+7)²= (x²)²+2 ((x²) (7) + (7)² (x²+7)²= x⁴+14x² + 49

Answer»

Given that (x²+7) (x²+7)

But we can write the given expression as

(x²+7) (x²+7)= (x²+7)²

But we have (a + b)²=a²+2ab+b²

On applying above identity in the given expression we get,

(x²+7)²= (x²)²+2 ((x²) (7) + (7)²

(x²+7)²= x⁴+14x² + 49

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