4. if 1 is a root of both the equations ay^2 + ay + 3 = 0 and y^2 + y + b = 0, then the value of ab is
Answer is
-3
2
-2
3
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1
Answer:
2a+3=0
a= -3/2
2+b=0
b= -2
the value of ab is 3 ( option d)
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