Question
Find value of x² + y².
I. x + y = 10 II. xy = 21Solution
ATQ, Using (x + y)² = x² + y² + 2xy → 100 = x² + y² + 42 → x² + y² = 58 . → Both statements together are sufficient.
The instrument used to measure total incoming solar radiations isÂ
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Which of the following is an antioxidant
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Given below are two statements
Statement I: During transpiration process most of the water loss occurs through stomata.
Statement I...
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(A) 2.0 to 3.0% N. 1.0% P2 O3 and 1.0% K2 O
(B) 2.0 to 4.0% N. 2.0% P2 O3 an...
In C4 plants, the primary carboxylation takes place by using ___ enzymeÂ
