Question

evaluate the following without actual multiplication
c. 48X52
d. 97X103​

Answer 1

c.) 48x52

= (50-2)(50+2)

= using identity (a+b)(a-b)=a²-b²

= (50)²-(2)²

= 2500-4

= 2496.

d.) 97x103

= (100-3)(100+3)

= (100)²-(3)²

= 10000-9

= 9991

Answer 2

Answer:

this is the same question printed in my maths book

can you tell me your school name.