using identity is find the value 43*45
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Answered by
3
(40+3)(40+5)
=40*40+40*5+40*3+3*5
=1600+200+120+15
=1935
Answered by
3
(40+3)(40+5)
by using identity
(a+b)(a+c)=a^2+bc+ac+ab
here a=40
b=3
c=5
40^2+3×5+40×5+40×3
1600+15+200+120
1935....
ans
hope it hlps u
by using identity
(a+b)(a+c)=a^2+bc+ac+ab
here a=40
b=3
c=5
40^2+3×5+40×5+40×3
1600+15+200+120
1935....
ans
hope it hlps u
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