সুন্দ্রী বীজগণিত | Math Problem

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Can anyone help me with this

NVM I got it. It’s me from my original account

The English version of the question is problematic, it confuses “some” with “any.”
The question should read “some value of x” (কোনো একটি x এর জন্য) rather than “any value of x” (সকল x এর জন্য)

1 summation mistake can be time consuming