Mathematics

West Bengal Board · English · Class 12 · 46 questions with solutions

Q21VSAMEDIUM

Find the acute angel between the pair of straight lines whose direction cosines are and

Solution:

Q22LAMEDIUM

Find the value of

Solution:

Q23VSAMEDIUM

Find the angel made by the vector with the y - axis.

Solution:

Q24LAMEDIUM

If the vectors and are collinear , find p and q.

Solution:

p = q = -

Q25VSAMEDIUM

Using vector method show that the points A(-5, 7), B(-4, 5) and C(1, - 5) are collinear.

Q26LAMEDIUM

Prove that:

Q27SAMEDIUM

Solution:

Q28VSAMEDIUM

Solution:

Q29LAMEDIUM

Solution:

Q30SAMEDIUM

Solution:

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