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Permutation: n Different Things Taken r at a Time

If a=6 b=...

Question

If $a = 6$ $b = 4$ then $4 a - 3 b$ is equal to

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Solution

Given: $a = 6$ $b = 4$

$4 a - 3 b = 4 (6) - 3 (4)$

$\Rightarrow$ $24 - 12 = 12$

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Permutation: n Different Things Taken r at a Time

Standard XII Mathematics

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