CBSE Class 10th maths important questions
1) Prove that one of every three consecutive integers is divisible by 3.
2) Find the Quadratic polynomial whose sum and product of zeros are ?2 + 1
3) Find the sum of a+b, a-b, a-3b, …… to 22 terms.
4) For what value of a is the point (-2, a) on the line with equation -3x + 3y = 4?
5) Prove that sec2A+cosec2A can never be less than 2
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