Question

A natural number is greater than three times its square root by 4. find the number.

Answer 1

Let the Natural number be x²

Therefore,x²=3x+4

So,x²-3x-4=0

x²+x-4x-4=0

x(x+1)-4(x+1)

(x-4),(x+1)

Therefore,x=4 or -1

Hence,-1 cannot be taken

So,x=4

Therefore, natural number=x²=4²=16

Hope this helps you

Please Mark It As The Brainliest