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# How to solve this question using column method using elementary operations f matrices.

Asked by somakarfa 30th March 2017, 5:35 PM

Hi S Ray,

You have solved this by elementary row operations, but what do want us to determine???

Dear student, please specify. You have given A, and done row operations. You want us to perform column operations, to find what?????

Answered by Expert 30th March 2017, 5:48 PM

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## The rain water from a roof 22 m × 20 m drains into a conical vessel having a base of diameter 2 m and height 3.5 cm. If the vessel is just full, find the rainfall in mm.

Asked by shailesh.solanki 18th March 2018, 7:37 PM

## The rain water from a roof 22 m × 20 m drains into a conical vessel having a base of diameter 2 m and height 3.5 cm. If the vessel is just full, find the rainfall in mm.

Asked by shailesh.solanki 18th March 2018, 7:35 PM

## A wooden toy was made by scooping out a hemisphere of same radius from each end of a solid cylinder. If the height of the cylinder is 10 cm, and its base is of radius 3.5 cm, find the volume of wood in the toy. Use pie=22/7

Asked by shailesh.solanki 18th March 2018, 7:34 PM