Question

if one zero of the polynomial 4 x^2- 8 Kx - 9 is negative of the Other find the value of k​

Answer 1

Answer:

k=0

Step-by-step explanation:

check the file attached

Answer 2

¤ (¯´☆✭.¸)¤ ᴛʜᴇ ᴀɴsᴡᴇʀ ¤ (¯´☆✭.¸)¤

The question says one root is negative of others.

So, the sum of the roots must be zero.

For any quadratic equation

Like : ax2 + bx + c = 0

The sum of roots is given by -b/a

So, in this equation : 4x2 - 8ka - 9

b = -8k & a = 4

So, 0 = -b/ a

-(-8k) /4 = 0

2k = 0

k = 0

HOPE IT'S USEFUL FOR YOU......!!!!

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