find the square root of -3x+5y-2z
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Step-by-step explanation:
(-3x+5y-2z)²
using identity (a+b+c)²
= a²+b²+c²+2ab+2bc+3ca
= -3x²+5y²+-2z²+ 2×-3x×5y+ 2×5y×-2z+2×-2z×-3x
= 9x²+25y²+4z²-30xy-20yz+12xz
=
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