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(a+b+c)^2=a^2+b^2+c^2+2ab+2bc+2ca
12^2 = 50+2(ab+bc+ca)
144-50=2(ab+bc+ca)
ab+bc+ca=94/2=47
12^2 = 50+2(ab+bc+ca)
144-50=2(ab+bc+ca)
ab+bc+ca=94/2=47
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see if u can get that....and tell me if u have any doubt
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Abhi213101:
thanks....
is this correct beacause tomorrow is my exam
1000% correct bro......u can write it in ur exam....
thankyou
any time welcm
okk
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