plz tell the answer please huryyyyyy plz
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riya1131:
hey mate mark it brainliest
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Answer:
Step-by-step explanation:
D is equal to b2+c2-2bc-4ac-4a2+4bc-4ab
So D equal to (-2a+b+c)2 is equal to the 0
2aequal to b+c
Hence proved
Plz mark it brainliest
not able to mark brain list
tell me hw and i will do
it's ok
by the way Today it was your exam
how it goes
ahh
it was quiet easy
but 2 problems was difficult but i got it right
i lost 4 mark question
That's great
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