Math, asked by gowtham7385, 1 year ago

please answer for every sum

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Answered by Ruhi5884
5
3). here,
given,


a = 4 units
b = 3 units
to prove (a+b)(a-b) = a^2 - b^ 2
or, (4+3)(4-3) = 4^2 -3^2
or, 7*1 = 16 - 9
or , 7 = 7
hence , prove##


do other as same method
Answered by bhaveshvk18
0
hey..

given :-

(i)
a= 4 units and b = 3 units
(a + b)(a - b) = a^2 - b^2
(4 + 3)(4 -3) = 4^2 - 3^2
(7)(1) = 16 - 9
7 = 7
hence proved

(ii)
a = 6 units and b = 2 units
(a +b)(a - b) = a^2 - b^2
(6 + 2)(6 - 2) = 6^2 - 2^2
(8)(4) = 36 - 4
32 = 32
hence proved
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