Hello Vijay
Please check https://www.teachoo.com/7198/2242/Question-7/category/CBSE-Sample-Paper-Class-12---2017-18/
Written on Dec. 25, 2017, 9:28 p.m.
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Answer of this question
prove that if x greater than or equal to 1/2 and x less than or equal
Davneet Singh
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