Expand using suitable identity
(5x-7y-2z)²
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Expand using suitable identity
(5x-7y-2z)²
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Answer:
( a-b)^2=
(5x)^2+(7y+2z)^2-10x(7y+2z)
25x^2+49y^2+4z^2+28yz-70xy-20xz
this the eq we get
Answer:
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