Question

Simplify (√7 − √2)(√7 + √2)
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Answer 1

Answer:

(√7-√2)^2

solve this question with this formula

(a+b)^2= a^2 + 2ab+ b^2

Answer 2

(√7-√2)(√7+√2)

(2.64-1.41)(2.64+1.41)

1.23×4.05

4.98 (approx.)

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