ExamBro
ExamBro
JEE Mains · Maths · STD 12 - 8. Application and integration

यदि वक्रों \(x^2+y^2=25\) और \(y=|x-1|\) के बीच घिरे बड़े भाग का क्षेत्रफल \(\frac{1}{4}(b \pi+c), b, c \in N\) है, तब \(b+c\) = ___

  1. A 55
  2. B 66
  3. C 77
  4. D 88
Verified Solution

Answer & Solution

Correct Answer

(C) 77

Step-by-step Solution

Detailed explanation

\begin{aligned} & \mathrm{x}^2+\mathrm{y}^2=5 \\ & \mathrm{x}^2+(\mathrm{x}-1)^2=25 \Rightarrow \mathrm{x}=4 \\ & \mathrm{x}^2+(-\mathrm{x}+1)^2=5 \Rightarrow \mathrm{x}=-3 \\ & \mathrm{~A}=25 \pi-\int_{-3}^4 \sqrt{25-\mathrm{x}^2} \mathrm{dx}+\frac{1}{2} \times 4 \times…

From JEE Mains
Explore more questions on app