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karansingh

Asked: January 19, 2023In: CBSE

Speed of a boat in still water is 15 km/h. It goes 30 km upstream and returns back at the same point in 4 hours 30 minutes. Find the speed of the stream.

important 5 mark board question

karansingh

Asked: January 19, 2023In: CBSE

Find the values of k for which the pair of linear equations kx + 3y = k-2 and 12x + ky = k has no solution.

it is important board question

karansingh

Asked: January 19, 2023In: CBSE

. Solve for x and y: 0.4x-1.5y = 6.5, 0.3x-0.2y=0.9.

which method should we use to solve this. its from R.D sharma

karansingh

Asked: January 19, 2023In: CBSE

Solve graphically the system of linear equations 4x-5y +16=0 and 2x+y-6 = 0. Determine the vertices of the triangle formed by these lines and the x-axis.

I cant make the graph for this. please show steps to make graph its important 3 mark question for boards

karansingh

Asked: January 17, 2023In: CBSE

If the remainder on division of x3 + 2×2 + kx +3 by x – 3 is 21, find the quotient and the value of k. Hence, find the zeroes of the cubic polynomial x3 + 2×2 + kx – 18.

This question is very tricky. its an important 5 mark question for boards exam

karansingh

Asked: January 17, 2023In: CBSE

Given that x – √5 is a factor of the polynomial x3 – 3√5×2 – 5x + 15√5, find all the zeroes of the polynomial.

This question came in 2019 class 10 boards. i cannot solve it for some time please help.

karansingh

Asked: January 17, 2023In: CBSE

What should be subtracted from the polynomial of p(x)= x²-3ax + 3a- 7 so that, (x + 2) is a factor of the polynomial p(x) and hence also find the value of a

this question is very important from class 10 boards perspective. kindly help with this

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Discy Latest Questions

Speed of a boat in still water is 15 km/h. It goes 30 km upstream and returns back at the same point in 4 hours 30 minutes. Find the speed of the stream.

Find the values of k for which the pair of linear equations kx + 3y = k-2 and 12x + ky = k has no solution.

. Solve for x and y: 0.4x-1.5y = 6.5, 0.3x-0.2y=0.9.

Solve graphically the system of linear equations 4x-5y +16=0 and 2x+y-6 = 0. Determine the vertices of the triangle formed by these lines and the x-axis.

If the remainder on division of x3 + 2×2 + kx +3 by x – 3 is 21, find the quotient and the value of k. Hence, find the zeroes of the cubic polynomial x3 + 2×2 + kx – 18.

Given that x – √5 is a factor of the polynomial x3 – 3√5×2 – 5x + 15√5, find all the zeroes of the polynomial.

What should be subtracted from the polynomial of p(x)= x²-3ax + 3a- 7 so that, (x + 2) is a factor of the polynomial p(x) and hence also find the value of a

92.7%* marks in Class 10th.

**92.7%* marks in Class 10th**.