The first question in that picture , I want to know the ans step by step pls immediately
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(a+b+c) ² = a²+b²+ c²+2ab+2bc+2ca
(0)² = 16+ 2(ab+bc+ca)
0 = 16 + 2(ab+bc+ca)
-16 = 2(ab+bc+ca)
-16/2 => -8 => (ab+bc+ca)
hope this helps
(0)² = 16+ 2(ab+bc+ca)
0 = 16 + 2(ab+bc+ca)
-16 = 2(ab+bc+ca)
-16/2 => -8 => (ab+bc+ca)
hope this helps
dhwanisimran:
Thanks.... It helped me..
ur welcome
Thank you soo much
The second N the third one is also in the same way right
yes it will be solved in the same way
Thanks
welcome
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