if m=pcos^3A +3pcos^2 A×sinA,n=3psin^3A+psin^2A×cosA. prove that (m+n)^(2÷3)+(m-n)^(2÷3)=2p^(2÷3)

if m=pcos^3A +3pcos^2 A×sinA,n=3psin^3A+psin^2A×cosA. prove that (m+

1.	if m=pcos^3A +3pcos^2 A×sinA,n=3psin^3A+psin^2A×cosA. prove that (m+n)^(2÷3)+(m-n)^(2÷3)=2p^(2÷3)
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