If sinX and cosX are the roots of the equation ax²+bx+c=0,then b²=
a²-2ac
a²+2ac
a²-ac
a²+ac
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दधहरजर्जक3के3मन
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नक्ष883बेजड़सन्दज्डकर्ककर्करक्तन्तं4नफ़्ज्जफ्क3कम्वमें4
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