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UPSC NDA 2 2019 Mathematics Solved Paper

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Directions (Q. Nos. 91 to 93): Read the following information and answer the three items that follow:
Let f(x)=x2+2x–5 and g(x)=5x+30
[NDA II 2019]
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Question : 93 of 120
 
Marks: +1, -0
If h(x)=5f(x)–xg(x), then what is the derivative of h(x)?
[NDA II 2019]
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