Question
Maths
Jan. 16, 2026, 7:43 p.m.
Answer
Do techoo consists of new ncert questions,na exercises of maths class 9th?!?
Maths
Jan. 16, 2026, 2:01 p.m.
Answer
If in an AP the sum of first m terms is n and the sum of first n terms is m then prove that the sum of its first m+n terms is -(m+n)
Maths
Jan. 15, 2026, 10:59 p.m.
Answer
If the sum of perimeter of two square is 68 M and sum of their areas is 1507 m square then find the sides of both squares
Maths
Jan. 15, 2026, 10:27 p.m.
Answer
The volume of a 500 g sealed packet is 350 cm³. Will the packet float or sink in water if the density of water is 1 g cm³? What will be the mass of the water displaced by this packet?
Maths
Jan. 15, 2026, 6:41 p.m.
Answer
The number of hours spent by school boy on different activities in a working da a below:
Actroities Number of hours
Sleep
School 7
Home
Play 2
Others
Present the information in the form of a pie-chart
Actroities Number of hours
Sleep
School 7
Home
Play 2
Others
Present the information in the form of a pie-chart
Maths
Jan. 15, 2026, 4:38 p.m.
Answer
If e to the power y/x=x/a+bx,then show that xto the power 3 d/dx into dy/dx=(xdy/dx-y) to the power 2
