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प्रश्न
If P = −15 and Q = 5 find (P – Q) ÷ (P + Q)
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उत्तर
Given: P = 15, Q = 5
(P – Q) ÷ (P + Q) = `((-15) - 5)/((-15) + 5)`
= `((-15) + (-5))/(-10)`
= `(-20)/(-10)`
= 2
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