Home
Class 11
MATHS
Evaluate the following: (i) sqrt(-25)x...

Evaluate the following:
(i) `sqrt(-25)xx(-81)`
(ii) `sqrt(-36)xxsqrt(16)`
(iii) `4sqrt(-4)+5sqrt(-9)-3sqrt(-16)`

Text Solution

Verified by Experts

The correct Answer is:
(i) `-405i`
(ii) `24i`
`11i`
Promotional Banner

Topper's Solved these Questions

  • COMPLEX NUMBERS

    MODERN PUBLICATION|Exercise Exercise 5 (a)|7 Videos
  • COMPLEX NUMBERS

    MODERN PUBLICATION|Exercise Exercise 5 (b)|9 Videos
  • BINOMIAL THEOREM

    MODERN PUBLICATION|Exercise COMPETITION FILE (JEE MAIN)|11 Videos
  • CONIC SECTIONS

    MODERN PUBLICATION|Exercise CHAPTER TEST 11|12 Videos

Similar Questions

Explore conceptually related problems

Evaluate the following : sqrt(25) xx sqrt(36)

Simplify the following : (i) sqrt(-25)xxsqrt(-36) (ii) sqrt(-25)xxsqrt(49)

Evaluate the following: (i) sqrt(-81) (ii) (sqrt(-2))^(6) (iii) sqrt(-25)xxsqrt(-49) (iv) (2)/(3)xxsqrt((-9)/(16)) (v) sqrt((-49)/(25))xxsqrt((-1)/(9))

Find (i) sqrt(36) (ii) sqrt(49) (iii) sqrt(64)

Evaluate : (i)" "sqrt(-25)xx sqrt(-49)" "(ii)" "sqrt(-36)xx sqrt(16)

Simplify sqrt(-16)xxsqrt(-25) .

Compute the following: sqrt(-25)+3sqrt(-4)+2sqrt(-9)

Rationalise the denominator of each of the following. (i) (1)/(sqrt(7)+sqrt(6)-sqrt(13)) (ii) (3)/(sqrt(3)+sqrt(5) -1) (iii) (4)/(2-sqrt(3)+sqrt(7))