Home
Class 9
MATHS
Expand : ((1)/(2)x-(1)/(3)y-(1)/(5)z...

Expand :
`((1)/(2)x-(1)/(3)y-(1)/(5)z)^(2)`

Text Solution

Verified by Experts

The correct Answer is:
`(1)/(4)x^(2) + (1)/(9)y^(2) + (1)/(25)Z^(2) - (1)/(3) xy +(2)/(15)yz - (1)/(5)zx`
Promotional Banner

Topper's Solved these Questions

  • POLYNOMIALS

    KUMAR PRAKASHAN|Exercise Multiple Choice Questions (MCQs)|20 Videos

  • POLYNOMIALS

    KUMAR PRAKASHAN|Exercise Exercise - 2.5|43 Videos

  • NUMBER SYSTEMS

    KUMAR PRAKASHAN|Exercise MULTIPLE CHOICE QUESTIONS (MCQs)|20 Videos

  • PROBABILITY

    KUMAR PRAKASHAN|Exercise Multiple Choice Questions (MCQs)|10 Videos

Similar Questions

Explore conceptually related problems

Expand : ((1)/(2)x + (1)/(3)y)((1)/(2)x - (1)/(3)y)

Expand : (5x + y + 2z)^(2)

Expand : (x+2y + 7z)^(2)

If the lines (x-1)/(-3)=(y-2)/(2k)=(z-3)/(2) and (x-1)/(3k)=(y-1)/(1)=(z-6)/(-5) are perpendicular, find the value of k.

Find the magnitude of the shortest distance between the lines (x)/(2)=(y)/(-3)=(z)/(1) and (x-2)/(3)=(y-1)/(-5)=(z+2)/(2) .

Find the angle between the following pair of lines : (i) (x-2)/(2)=(y-1)/(5)=(z+3)/(-3) and (x+2)/(-1)=(y-4)/(8)=(z-5)/(4) (ii) x/2=y/2=z/1 and (x-5)/(4)=(y-2)/(1)=(z-3)/(8)

If the straight lines (x-1)/(2)=(y+1)/(k)=(z)/(2) and (z+1)/(5)=(y+1)/(2)=(z)/(k) are coplanar, then the plane(s) containing these two lines is/are

If the line (x-1)/(2)=(y+1)/(3)=(z-1)/(4) and (x-3)/(1)=(y-k)/(2)=(z)/(1) intersect, then k is equal to

If the angle theta between the line (x+1)/(1)=(y-1)/(2)=(z-2)/(2) and the plane 2x-y+sqrt(lambda)z+4=0 is such that sintheta=(1)/(3) . The value of lambda is

Read the following passage and answer the questions. Consider the lines L_(1) : (x+1)/(3)=(y+2)/(1)=(z+1)/(2) L_(2) : (x-2)/(1)=(y+2)/(2)=(z-3)/(3) Q. The unit vector perpendicular to both L_(1) and L_(2) is