Question

value of 99²-1 is
plez bro fast answer​

Answer 1

9801 - 1

9800 is the answer.

Answer 2

$\rm \bull \: \underline{ \underline{Information \: provided \: with \: us : }}$

$\sf\implies \: 9 {9}^{2} - 1$

$\rm \bull \: \underline{ \underline{What \: we \: have \: to \: find : }}$

$\sf \implies \: {99}^{2} -1 = \boxed{?}$

$\rm \bull \: \underline{ \underline{Solution:}}$

$\sf \implies \: {99}^{2} = 9,801$

$\sf \implies \: 9801 - 1$

$\bf \implies \: 9,800$

$\rm \bull \: \underline{ \underline{</p><p>Therefore }}$

$\sf \implies \: {99}^{2} -1 = \boxed{9,800}$