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प्रश्न
If f(x) = 3x + 5, `"g"(x)` = 6x − 1, then find `("f" + "g") (x)`
योग
उत्तर
f(x) = 3x + 5, `"g"(x)` = 6x – 1
`("f" + "g") x = "f"(x) + "g"(x)`
= 3x + 5 + 6x – 1
= 9x + 4
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