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प्रश्न
Verify by substitution that the root of \[\frac{z}{7} = 8\]
उत्तर
\[\frac{z}{7} = 8 \]
Substituting z = 56 in the given equation:
\[L . H . S . \hspace{0.167em} : \]
\[\frac{56}{7} = 8 = R . H . S . \]
\[L . H . S . = R . H . S . \]
Hence, z = 56 is the root of the given equation.
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