Question

find the value of 1-a^2+14ab+49b^2

Answer 1

hope it helps you buddy

Answer 2

1 - a² + 14ab + 49b²

1 - (a)² + 2(7ab) + (7b)²

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By formula, (a + b)²=a²+2ab+b²
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1² - (a + 7b)²

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By formula, a² - b²=(a+b)(a-b)
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[ 1 - (a - 7b][1 + (a + 7b]

(1 - a + 7b)(1 + a + 7b)



I hope this will help you

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