Math, asked by nahakpamthoibi3, 5 months ago

multiply: root2+ root5 + root7 by root2 + root5 – root7

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step- by step explanation

Answers

Answered by babyagarwal259

1

Step-by-step explanation:

(√2 + √5 + √7) × (√2 + √5 - √7)

√2 (√2 + √5 - √7) + √5 (√2 + √5 - √7) + √7 (√2 + √5 - √7)

2+√10-√14 + √10+5-√35 + √14+√35-7

7-7 + 2√10

2√10

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