(6a-5b)square-(6a+5b)square÷ab=-120
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identity used: (a+b)^2=a^2+b^2+2ab
and
(a-b)^2=a^2+b^2-2ab
hope it helps u
all the best
identity used: (a+b)^2=a^2+b^2+2ab
and
(a-b)^2=a^2+b^2-2ab
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sukhaprmesh:
hi
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Step-by-step explanation:
36a²+25b²-60ab-(36a²+25b²+60ab)÷ab=-120
36a²+25b²-60ab-36a²-25b²-60ab÷ab=-120
-120ab÷ab=-120
=-120 =-120
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