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  • Please solve RD Sharma class 12 chapter 10 Differentiation exercise Fill in the blanks question 25 maths textbook solution

Please solve RD Sharma class 12 chapter 10 Differentiation exercise Fill in the blanks question  25 maths textbook solution

Answers (1)

Answer: the correct answer is =0

Hint: put 1,4,5 in the equation to get the respective value the use f^{1}(1)+f^{1}(u)-f^{1}(5)

Given: y=a x^{2}+b x+c

Solution:  

\begin{aligned} &y=a x^{2}+b x+c \\\\ &f^{1}(x)=\frac{d y}{d x}=2 a x+b \\\\ &f^{1}(1)=2 a+b \text { and } \end{aligned}

\begin{aligned} &f^{1}(x)=3 a+4 b \\\\ &f^{1}(5)=10 a+5 b \\\\ &f^{1}(1)+f^{1}(u)-f^{1}(5) \end{aligned}

=2 a+b+8 a+4 b-10 a-5 b

So the correct answer is 0

 

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infoexpert26

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