Question

Solve : (√2+√3)(√2-√5).​

Answer 1

Answer:

2+√6-√10-√15

Step-by-step explanation:

By using identity:

(x+a)(x-b)=x²+(a-b)x-ab

Here x=√2, a=√3 and b=√5

So,

(√2+√3)(√2-√5)

=(√2)²+(√3-√5)×√2-(√3×√5)

=2+√6-√10-√15

Hope it helps

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