Question

Find the value of 34 sq - 21 sq

Answer 1

Answer:

13sq

because you can subtract 34-21 then the answer is 13sq

Answer 2

Answer: $(34)^{2}-(21)^{2} =715$

Step-by-step explanation:

• Here it is asked to find the difference of the square of 34 and the square of 21.
• Square of 34 i.e., $(34)^{2} =1156$
• Square of 21 i.e., $(21)^{2} =441$
• The difference between 1156 and 441=1156-441

                                                                       =715

• Hence, the difference between square of 34 and square is 715.

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