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Important Questions

CBSE Guess > Papers > Important Questions > Class XII > 2010 > Maths > Mathematics By Mr Vasu Raj

CBSE CLASS XII

Q. 1. If y = x4 - 10 and if x changes from 2 to 1.99, what is the approximate change in y.

 Q. 2. A circular plate expands under heating so that its radius increases by 2%. Find the approximate increase in the area of the plate if the radius of the plate before heating is 10 cm.

Q. 3. Find the approximate value of f(3.02) when f(x) = 3x2+5x+3.

Using differentials find the approximate value of

Q. 4.

Q. 5.

Q. 6. tan46o. given 1o = 0.01745 radians.

Answers

  1. 5.68
  2. 4p
  3. 45.46
  4. 5.02
  5. 0.1925
  6. 1.03490

 

Paper By Mr Vasu Raj
Email Id : [email protected]
Ph No. : 9940116934