Are derivations of formulae in maths board exam2017-18 coming?

Dear student
It depends on the examiner  he might can ask  in the exams  and might not. We suggest you to have  a look , read them and understand them and asks your doubts  if in case you face any.Looking forward to hear from you again

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Might be.... don't take risk
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Nope they wont come for sure
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What are you looking for?