I need it with working done...
Attachments:
Answers
Answered by
1
question 1-
(a-b)(a+b)=a^2-b^2
48×52
=(50-2)(50+2)
=50^2-2^2
=2500-4
=2496
so
48×52=2496
solve others as like above
(a-b)(a+b)=a^2-b^2
48×52
=(50-2)(50+2)
=50^2-2^2
=2500-4
=2496
so
48×52=2496
solve others as like above
Similar questions