Math, asked by dileeprent, 10 months ago

if one of the zero of the polynomial x^2+a is -3 then find its other for 10th class​

Answers

Answered by priyankapriyanka1980
0

Answer:

3

Step-by-step explanation:

x²+a=0

x²=-a

x= root under-a=3

-a=9 a=-9

x²-9=0

x²=9

x=3

Answered by devilpreetsharma
0

Answer:

 {x}^{2}   + a = 0

 {x}^{2}  = a

x =  \sqrt{ - a = 3}

 - a = 9 \\ a =  - 9

 {x}^{2}  - 9 = 0

 {x}^{2}  = 9

x =  \sqrt{9}  \\ x = 3

this is your answer......

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