Practice questions

88551 published questions with worked solutions.

• The value of x- x 2x is
  JEE Main · Mathematics · Trigonometric Ratio and Identities
• The value of the series 12^ + 84^ + 132^ + 156^ is
  JEE Main · Mathematics · Trigonometric Ratio and Identities
• The value of ^4 ( 8 )+ ^4 ( 3 8 )+ ^4 ( 5 8 )+ ^4 ( 7 8 ) is
  JEE Main · Mathematics · Trigonometric Ratio and Identities
• Let ( + )= 45 and let ( - )= 5 13 , where 0 , 4 . Then 2 is equal to
  JEE Main · Mathematics · Trigonometric Ratio and Identities
• If , (0, 2 ), = 45 and ( + )=- 12 13 , then is equal to
  JEE Main · Mathematics · Trigonometric Ratio and Identities
• If x= b a , then the value of a 2x+b 2x is
  JEE Main · Mathematics · Trigonometric Ratio and Identities
• The expression (1+ x+ ^2x)(1- x+ ^2x) has positive values for x given by
  JEE Main · Mathematics · Trigonometric Ratio and Identities
• If =- 3 2 and =- 35, where does not lie in the third quadrant and lies in the third quadrant, then 2 + 3 ^2 + is equal to
  JEE Main · Mathematics · Trigonometric Ratio and Identities
• The value of 85^ - 35^ 65^ is
  JEE Main · Mathematics · Trigonometric Ratio and Identities
• The value of 54^ 36^ + 20^ 70^ is
  JEE Main · Mathematics · Trigonometric Ratio and Identities
• The value of (1+ 6 ) (1+ 3 ) (1+ 2 3 ) (1+ 7 6 ) is
  JEE Main · Mathematics · Trigonometric Ratio and Identities
• The value of 1^ 2^ 3^ 89^ is equal to
  JEE Main · Mathematics · Trigonometric Ratio and Identities
• The simplest form of 2 2+ 2+ 2+2 4x is
  JEE Main · Mathematics · Trigonometric Ratio and Identities
• The value of 50^ - 70^ + 10^ is
  JEE Main · Mathematics · Trigonometric Ratio and Identities
• The value of 55^ - 55^ 10^ is
  JEE Main · Mathematics · Trigonometric Ratio and Identities
• In a right angled triangle the hypotenuse is 2 2 times the length of the perpendicular drawn from the opposite vertex on the...
  JEE Main · Mathematics · Trigonometric Ratio and Identities
• If x+ ^2x=1, then the value of ^ 12 x+3 ^ 10 x+3 ^8x+ ^6x-1 is equal to
  JEE Main · Mathematics · Trigonometric Ratio and Identities
• If 20^ - 20^ =p, then 40^ is equal to
  JEE Main · Mathematics · Trigonometric Ratio and Identities
• If ( x 2 )= cosec ,x- x, then the value of ^2 ( x 2 ) is
  JEE Main · Mathematics · Trigonometric Ratio and Identities
• A 1+ A + 1+ A A is equal to
  JEE Main · Mathematics · Trigonometric Ratio and Identities