Grade 9Algebra
If a=bcd, b=cda, d=abcThen what is the value of (a+b+c+d)²=?
If a=bcd, b=cda, d=abc
Then what is the value of (a+b+c+d)²=?
1 Answer
Janarth
substitute:
(bcd+cda+c+abc)^2
=(bcd)^2 + (cda)^2 + c^2 + (abc)^2
(bcd+cda+c+abc)^2
=(bcd)^2 + (cda)^2 + c^2 + (abc)^2
b^2 + c^2 + d^2 + c^2 + d^2 + a^2 + c^2 +a^2 + b^2 + c^2
4c^2 + 2b^2 + 2d^2 + 2a^2 .
Hope this helps
Hope this helps
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