Question

multiply and write the answer in the sinplest form 5 √2X 2√7​

Answer 1

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5√2x × 2√7

= 5 × 2( √7 )²

So,

√7² , is Simplified to 7

Because,

When we Multiply 2 Squares it will Cancel.

Hence,

= 5 × 2 × 7

= 10 × 7

= 70