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The product of -4p and 7pq is

Posted by Ravinder Kumar 1 day, 3 hours ago

CBSE > Class 10 > Mathematics

2 answers

Kaoushik Ananthan 3 hours ago

-28p^2q

Kiran Kumari 1 day, 2 hours ago

_28p^2q

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Find the perimeter of quadrant of a circle of radius 3.5

Posted by Hello Singh 1 day, 8 hours ago

CBSE > Class 10 > Mathematics

0 answers

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1/7x+1/6y=3

Posted by Divyansh Chouhan 1 day, 16 hours ago

CBSE > Class 10 > Mathematics

1 answers

Prabhat Tomar 1 day, 15 hours ago

Let 1/x be v and 1/y be u This will give you a equation

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A solid metallic sphere of diameter 21 cm is melted and recast into a number of smaller cones ,each of diameter 3.5 cm and height 3 cm . Find the number of cones so formed

Posted by Mehul Kedia 1 day, 17 hours ago

CBSE > Class 10 > Mathematics

0 answers

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cot^2A+1/cot^2A=

Posted by Priyesh Arora 1 day, 18 hours ago

CBSE > Class 10 > Mathematics

1 answers

Priyesh Arora 1 day, 18 hours ago

cotA + 1/cotA = 1 on Squaring both side (cotA +1/cotA)^2 =(1)^2 cot^2A+ 1/cot^2A+2×cotA×1/cotA=1 cot^2A+1/cot^2A= 2-1 cot^2A+1/cot^2A =-1

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An aeroplane when flying at a height of 4000m from the ground passes vertically above another aeroplane at an distance of when an angle of elevation of two planes from the same point on the ground are 60° and 30° respectively. Find the vertically distance between the aeroplane

Posted by Prince Rajput 1 day, 19 hours ago

CBSE > Class 10 > Mathematics

1 answers

Kaoushik Ananthan 3 hours ago

6250m

ANSWER

What will be the formula of area of triangle

Posted by Khushboo 😘 Deep 🥰 1 day, 21 hours ago

CBSE > Class 10 > Mathematics

5 answers

Tanishq Dasani 1 day, 18 hours ago

1/2 ×1st side × 2nd side × sin theta

Harsh Deswal Nikhil 1 day, 19 hours ago

Half *base *height

Mohammed Daanish M 1 day, 19 hours ago

1/2 × base × height

Ambika Kumari 1 day, 20 hours ago

1/2×base×height

Gursahil Singh 1 day, 21 hours ago

1/2 (base multiple height)

ANSWER

Find the value of k for the following quadratic equation so that it should have equal roots :-kx²+6x+1=0

Posted by Mandeep Kaur 1 day, 22 hours ago

CBSE > Class 10 > Mathematics

3 answers

Ambika Kumari 1 day, 20 hours ago

a=k, b=6, c=1 Formula for equal roots, b²-4ac 6²-4×k×1 36-4k=0 36=4k K=9... 😊😊😊

Chandan Bihari 1 day, 22 hours ago

Kx²+6x+1=0 a=K, b=6, c=1 D=b²-4ac =36-4×1×k =36-4k=0 =36=4k =36/4=k =9=k

A K47 1 day, 22 hours ago

if roots are equal then, then b²-4ac=0, putting values we get 6²-4k=0. So, k = 9.

ANSWER

Give me the solution of this question : sec A (1-sin A)(secA+tanA)

Posted by Disha Soni 2 days, 3 hours ago

CBSE > Class 10 > Mathematics

2 answers

Saras Rajput 1 day, 13 hours ago

Gunn Bhatia 2 days, 2 hours ago

=sec A(1 - sin A)(sec A + tanA) = 1/ cos A(1-sinA)(1/cosA + sinA/cosA) =(1- sinA)(1 + sinA)/cosA ×cosA = 1 - sin^2 A/cos^2 A =cos^2 A/ cos^2 A [[ since, cos^2 A + sin^2 A = 1]] = 1

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Csa,twa and volume of hollow cylinder

Posted by Bhoomi Mittal 2 days, 4 hours ago

CBSE > Class 10 > Mathematics

1 answers

Gunn Bhatia 2 days, 3 hours ago

CSA: 2× pie× h(R + r) TSA: 2× pie (R+r)( h + R -r) VOL: pie× h(R^2 - r^2)

3Thank You

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what is the value of k for which the system of equation 2x+3y=5 and 4x+ky=10 has infinite number of solution

Posted by Sonam Yadav 2 days, 4 hours ago

CBSE > Class 10 > Mathematics

1 answers

Gunn Bhatia 2 days, 4 hours ago

Hello, 2x +3y = 5 ------------1 4x + ky = 10 ------------2 a1 = 2, b1 = 3, c1 = -5 a2 = 4, b2 = k, c2 = -10 condition for infinite no. of solution: a1/a2 = b1/b2 = c1/c2 So, a1/a2 = b1/b2 2/4 = 3/k k = 6 Then, b1/b2 = c1/c2 3/k = -5/-10 k = 6 Therefore, value of k is 6