Math, asked by javedbdccandcsupport, 4 months ago

If 4a - 5b= 16 and ab = 12 then the value of 64a3 - 125b3 is:​

Answers

Answered by kushagrasinghal2006
1

Answer:

(4a-5b)2=(16)2

16a2+25b2-

Answered by WhatsUpFuckers
1

Answer:

The answer is 140 :)

Step-by-step explanation:

64a^3 + 125b^3 = (5)((a+b)^2 - 2ab - ab)

= 5((5)^2 - 3ab)

=5(25 - 3(-1))

= 5(25+3)

= 5(28)

= 140

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