Question

if a=3,b=7 then find the value of a2-b2
​

Answer 1

Answer:

- 40

Step-by-step explanation:

a = 3

b = 7

${a}^{2} - {b}^{2}$

${3}^{2} - {7}^{2} \\ 9 - 49 \\ - 40$

Answer 2

Answer:

a^2= 3^2

     = 9

b^2= 7^2

     = 49

a^2 - b^2

= 9 - 49

= -40