In the expansion of (1 + x) p (1 + x) q , if the coefficient of x 3 is 35, then what is the value of (p + q)?

UPSC NDA II 2024 Mathematics Paper

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In the expansion of (1 + x)^p (1 + x)^q, if the coefficient of x³ is 35, then what is the value of (p + q)?

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