Prove that the two planes, 3x-4y+5z=0 and 2x-y-2z=5 are mutually perpendicular.
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\left[x \right] = \left[ \frac{4\,y}{3}+\frac{\left( -5\right) \,z}{3}\right][x]=[34y+3(−5)z]
\left[x \right] = \left[ \frac{5}{2}+\frac{y}{2}+z\right][x]=[25+2y+z]
mutually perpendicular . drawing of the ur note book
\left[x \right] = \left[ \frac{5}{2}+\frac{y}{2}+z\right][x]=[25+2y+z]
mutually perpendicular . drawing of the ur note book
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