Question

Find the value of given expression 71² – 61²​

Answer 1

Answer:

1320

Step-by-step explanation:

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Answer 2

1. This can be done by two methods

one by knowing 71 square and 61 square

which is 5041 and 3721. now after difference it is coming 1320

Step-by-step explanation:

1. another process is (a-b) whole square that will be ( 71+61) (71-61)
2. (132) (10)
3. 1320 so the ans is verified