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Chapter 11: Q23. (page 728)

Simplify.

(1+2)2

Short Answer

Expert verified

The value of the given expression1+22 after simplification is 3+22.

Step by step solution

01

Step 1. Write the identity of (a+b)2.

The identity of(a+b)2is:

(a+b)2=a2+2ab+b2

02

Step 2. Simplify the given expression.

The value of the given expression after simplification is:

1+22=12+2(1)2+22(鈭�(a+b)2=a2+2ab+b2)=1+22+2=1+2+22=3+22

03

Step 3. Conclusion

Therefore, the value of the given expression1+22 after simplification is 3+22.

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