Also in question no. 3 can u plz tell wht i shud do aftr taking derivative of the function? ?

You're right, deepti. If you reply to this email, your message will be added to the discussion below: http://discussion-forum.2150183.n2.nabble.com/ISI-2004-ME-I-Answer-Key-tp7515784p7596704.html To unsubscribe from ISI 2004 ME - I Answer Key, click here. NAML

3rd

tell the question. If you reply to this email, your message will be added to the discussion below: http://discussion-forum.2150183.n2.nabble.com/ISI-2004-ME-I-Answer-Key-tp7515784p7596706.html To unsubscribe from ISI 2004 ME - I Answer Key, click here. NAML

Ok thnkq

The function changes its sign only once. And the derivative is positive, increasing function. Only one root. If you reply to this email, your message will be added to the discussion below: http://discussion-forum.2150183.n2.nabble.com/ISI-2004-ME-I-Answer-Key-tp7515784p7596708.html To unsubscribe from ISI 2004 ME - I Answer Key, click here. NAML