Home
Class 12
MATHS
If x+y=8 , then the maximum value of ...

If `x+y=8` , then the maximum value of `x y` is (a) 8 (b) 16 (c) 20 (d) 24

A

8

B

12

C

16

D

7

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • APPLICATIONS OF DERIVATIVES

    NAGEEN PRAKASHAN|Exercise Exercise 6.1|18 Videos
  • APPLICATIONS OF DERIVATIVES

    NAGEEN PRAKASHAN|Exercise Exercise 6.2|19 Videos
  • APPLICATIONS OF DERIVATIVES

    NAGEEN PRAKASHAN|Exercise Exercise 6h (multiple Choice Questions)|10 Videos
  • APPLICATIONS OF INTEGRALS

    NAGEEN PRAKASHAN|Exercise Miscellaneous Exercise|19 Videos

Similar Questions

Explore conceptually related problems

If x+y=8, then the maximum value of xy is (a)8(b)16(c)20(d)24

If x+y=8 , then maximum valueof x^(2)y is

If 2x+y=5 and 3x-4y=2, then the value of 2xy is (a) 4 (b) 6 (c) 8 (d) 10

The maximum value of xy when x+2y=8 is

If y=cos x ,then what is the maximum value of y (A) 1 (B) -1 (C) pi (D) 2 pi

If x+y=8 , then show that the maximum value of x^(2)y is (2048)/(27) .

If log_(2)x+log_(2)y>=6, then the least value of x+y is 4 (b) 8 (d) 16 (d) 32

If 3x-4y+z=7; 2x-z+3y=19 ; x+2y+2z=24 , then what is the value of z ? (a) 4 (b) 5 (c) 6 (d) 8

If x^(4)+y^(4)=17 and x+y=1, then what is the value of x^(2)y^(2)-2xy?( a) 8 (b) 10(c)12 (d) 16

If x + y + z = 9 and both y a n d z are positive integers greater than zero, then the maximum value x can take is 3 (b) 7 (c) 8 (d) Date insufficient