Question

a2+b2,b2+c2,c2+d2,d2+a2,2ab+2bc+2ca​

Answer 1

Answer:

Here is ur answer

Step-by-step explanation:

Arrange the Terms

a²+a²+b²+b²+c²+c²+d²+d²+2ab+2bc+2ca

a⁴+b⁴+c⁴+d⁴+2ab+2bc+2ca

(a+b+c+d)⁴+2a²b²c²

(a+b+c+d)⁴+2(a+b+c)²