Question

Expand : ( 97 )².
Options
1. 9409
2. 9509
3. 90403​

Answer 1

Given,.

(97)^2

Here, we shall use the (a+b)^2 formula

then, we can write (97)^2 in this form..

(100-3)^2 =(100)^2 + (3)^2 -2×100×3

(100-3)^2 = 10000 + 9 - 600

(100-3)^2 = 10009-600

(100-3)^2 = 9409 is your answer ..

Answer 2

Answer:

Answer is option first 97 × 97 = 9409