Q25 of 96 Page 12

Write the correct alternative in the following:

If xy – loge y = 1 satisfies the equation x(yy2 + y12) – y2 + λyy1 = 0, then λ =


Given:




Differentiate w.r.t. ‘x’ on both sides;




























Since


So,







More from this chapter

All 96 →
23

Write the correct alternative in the following:

If


Then the value of ar, 0 < r ≤ n, is equal to


 24

Write the correct alternative in the following:

If y = xn–1 log x, then x2 y2 + (3 – 2n) xy1 is equal to


 26

Write the correct alternative in the following:

If y2 = ax2 + bx + c, then y3is


 1

If y = a xn+1 + bx–n and then write the value of λ.