Question

(a+2b+5c) Square

please Help Me

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Answer 1

Answer:

a²+4b²+25c²+4ab+20bc+10ca

is the answer pls mark as braainliest

Answer 2

Answer:

Solution

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(a+2b+5c)

2

According to the equation ,

(a+b+c)

2

=a

2

+b

2

+c

2

+2ab+2bc+2ca

So we get,

(a+2b+5c)

2

Using the formula we can it write it as

(a+2b+5c)

2

=a

2

+(2b)

2

+(5c)

2

+2a(2b)+2(ab)(5c)+2(5c)a

On further calculation we get,

(a+2b+5c)

2

=a

2

+4b

2

+25c

2

+4ab+20bc+10ac

Step-by-step explanation:

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