Question

find the value using an expression
formula
1) (97)2​

Answer 1

Answer:

194 bbjhxxgjx,, gd

Answer 2

Question:-

Find the value using an expression formula

${(97)}^{2}$

Solution:-

We have,

(a-b)² = a²+b²-2ab

${(97)}^{2} = {(100 - 3)}^{2}$

So,

Using (a-b)² formula

${(100 - 3)}^{2} = {100}^{2} + {3}^{2} - 2 \times 100 \times 3$

$= 10000 + 9 - 600$

$9400 + 9$

$= 9409$