Math, asked by aksharjaiswal28aug20, 2 months ago

If a + b = 4 and ab = -12, find a-b and a+b

Answers

Answered by rounaksoni23gmailcom

1

Answer:

a = 6 , b = -2 / a = -2, b = 6

Step-by-step explanation:

a+b = 4

ab = -12

a = -12/b

-12/b + b = 4

b² -4b -12 = 0

b = 6 or -2; a = -2 or 6

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