QUADRATIC EQUATIONS
QUADRATIC EQUATIONS 37 4. If 1 2 is a root of the equation x2 + kx – 5 4 = 0, then the value of k is (A) 2 (B) – 2 (C) 1 4 (D) 1 2 5. Which of the following …
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www.ncert.nic.in317 Alcohols, Phenols and Ethers Allylic and benzylic alcohols may be primary, secondary or tertiary. (ii) Compounds containing C OHsp2 − bond: These alcohols contain —OH group bonded to a carbon-carbon double bond i.e., to a
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