Math, asked by bijuvelu1, 1 month ago

Unit - 4
Identities
Activity 1
Product of sums
(x+y) (u+v)=xu+xv+yu+yv
using this
25x12 = (20+5)(10+2)
- 20x10+20x2+5x10+5x2
=200+40+50+10
= 300
a) 32x11
b) 55x13
c) 101x202

Answers

Answered by pratibhasmaugmailcom

0

Answer:

a 9*949969!""("((*(*+$(#(*;$ zhzmbAq

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