Find product using suitable identity.
(5a-3b) (5a-3b)
Muskan5785:
i give u answer of (5a+3b)(5a-3b) ok
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Answered by
18
(5a-3b)^2
= (5a)^2 - 2 x 5a x 3b + (3b^2)
= 25a^2 - 30ab + 9b^2
= (5a)^2 - 2 x 5a x 3b + (3b^2)
= 25a^2 - 30ab + 9b^2
wrong
how!!
yes
que is ( 5a -3b) (5a-3b)
no
so what is the identity
+ in one
saw question
Answered by
11
(a-b)(a-b) = (a)^2+(a+b)x+ab
(5a)^2+(5a-3b)5a+(5a-3b)^2
25a^2 -30ab + 9b^2
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(5a)^2+(5a-3b)5a+(5a-3b)^2
25a^2 -30ab + 9b^2
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