Question

please explain question number 1,3,5​

Answer 1

$\huge\boxed {Answer}$

Q.(1)

Ans.- x/√98 = √392/x

From cross multiplication

x² = √98 × √392

x² = 7√2 * 14√2

x² = 98 × 2

x² = 196

x = + 14

Q.(3)

Ans.- We know that the smallest five digit no.

is 10,000

As we remember that 10,000 = (100)²

So , 10,000 is the least five digit number

Which is a perfect square of 100 .

Answer 2

Step-by-step explanation:

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