11. If x = 1 is a common root of ax2 + ax + 2 = 0 and x2 + x + b = 0, then the value of ab is
x=1 అనేది are + ax + 2 = Q మరియు x2+x+ b = 0 ల ఉమ్మడి మూలమైతే ab విలువ
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Answer:
a=(-1)
b=(-2)
Step-by-step explanation:
=> a+a+2=0
2a+2=0
a+1=0
a=(-1)
=> 1+1+b=0
2+b=0
b=(-2)
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