Math, asked by wru777, 20 days ago

2. Find the sum 20²+19²+18²+ ___ +1²

Answers

Answered by himanshuak354

3

Answer:

202−192+182−172+162− 152+...+22−12=210. Explanation: I'm not sure to which formula you are referring, but let's ...

Step-by-step explanation:

hope it doesn't helps you

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