You’re sharpest in your 20’s; around 30, mental abilities begin to decline, particularly your ability to do maths. ___17___ Your vocabulary at age 45, for example, is three times as great as when you graduated from college. At 60, your brain possesses almost four times as much ...
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Class 11 MATHS If `y^(1/m)=(x+sqrt(1+x^2)),t h e n(1+x^... If y1m=(x+√1+x2),then(1+x2)y2+xy1 is (where yr represents the rth derivative of y w.r.t. x. (a)m2y (b) my2 (c) m2y2 (d) none of these Video Solution Struggling With Limits And Deri...?