(a-² b)-² .(ab)-³ solve as positive indicate
answer of this = a/b to the power 5
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(a2+b2)3=a6+b6+3a4b2+3a2b4
(a3+b3)2=a6+b6+2a3b3
Given: (a2+b2)3=(a3+b3)2
=>a6+b6+3a4b2+3a2b4=a6+b6+2a3b3
=>3a4b2+3a2b4=2a3b3
÷ by a3b3 throughout
=>3ab+3ba=2
Let ab=x
=>3x+3x=2
=>3x2−2x+3=0
=>x=2±22−(4∗3∗3)−−−−−−−−−−−−√2∗3=2±−32−−−−√6
=>x=ab=2±42–√i6
=1±22–√i3
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