Home
Class 11
MATHS
21x^(2) - 28x + 10=0...

`21x^(2) - 28x + 10=0`

Text Solution

Verified by Experts

The correct Answer is:
`2/3 +- sqrt(14)/21 i`
Promotional Banner

Topper's Solved these Questions

  • COMPLEX NUMBERS AND QUADRATIC EQUATIONS

    NCERT TAMIL|Exercise MISCELLANEOUS EXERCISES ON CHAPTER 14|1 Videos

  • COMPLEX NUMBERS AND QUADRATIC EQUATIONS

    NCERT TAMIL|Exercise MISCELLANEOUS EXERCISES ON CHAPTER 15|1 Videos

  • COMPLEX NUMBERS AND QUADRATIC EQUATIONS

    NCERT TAMIL|Exercise MISCELLANEOUS EXERCISES ON CHAPTER 12|1 Videos

  • COMBINATORICS AND MATHEMATICAL INDUCTION

    NCERT TAMIL|Exercise EXERCISE 4.5|25 Videos

  • CONIC SECTIONS

    NCERT TAMIL|Exercise Miscellaneous Exercise|8 Videos

Similar Questions

Explore conceptually related problems

27x^(2) - 10x +1=0

Using factor theorem, show that (x-5) is a factor of the polynomial 2x^(3) - 5x^(2) - 28x + 15

Solve log_(10)(x^(2)-2x-2) le 0 .

If x^2 -hx - 21 = 0 and x^2 - 3hx + 35 =0 ( h gt 0) have a common roots, then h =…………..

Draw the graph of y = 2x^2 + x - 6 and hence solve 2x^2 + x - 10 = 0

Determine whether the points ( -2,1) ,(0,0) and ( -4,-3) lie outside, on or inside the circle x^(2) + y^(2) - 5x + 2y - 5 =0

If (0, a) and (b, 0) are the solutions of the following linear equations. Find ‘a’ and ‘b’. (i)8x - y = 34 (ii) 3x = 7y - 21 (iii)5x - 2y + 3 = 0

Show that 9x^2+24xy+16y^2+21x + 28y+ 6 =0 represents a pair of parallel straight lines and find the distance between them .

NCERT TAMIL-COMPLEX NUMBERS AND QUADRATIC EQUATIONS -MISCELLANEOUS EXERCISES ON CHAPTER 13
  1. 21x^(2) - 28x + 10=0

    Text Solution

    |