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NCERT Solutions for Class 12th Mathematics-II

 

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Chapter 7. Integrals

Exercise 7.5 (3)

 

 

 

Exercise 7.5

Q3. 

Solution: 

3x -1 = A(x-2)(x-3) + B(x-1)(x-3) + C(x-1)(x-2)  ................... (i) 

Substituting x =1, 2, and 3 respectively in equation (i), we obtain A =1, B = -5 and C= 4. 

Q4. 

Solution: 

Q5. 

Solution: 

2x = A(x + 2) + B(x +1) 

Substituting x = −1 and −2 in equation (1), we obtain
A = −2 and B = 4

 

 

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