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X=7+√40 1/X=1/(7+√40) 1/X={1/(7+√40)}×{(7-√40)/(7-√40)} ={(7-√40)}/{(7+√40)(7-√40)} =(7-√40)/(49-40) =(7-√40)/9 √X+1/√X=(7+√40)+{(7-√40)/9} ={9(7+√40)+(7-√40)}/9 =(63+9√40+7-√40)/9 ? =(70+8√40)/9

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If x and y are rational numbers and 5 + √11※3—2√11 = x + y √11

Posted by Kajal Lanjhiyana 8 years, 1 month ago

CBSE > Class 09 > Mathematics

1 answers

Mintu Sharma 8 years, 1 month ago

I love u

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Trignomatric

Posted by Mukesh Chheepa 8 years, 1 month ago

CBSE > Class 09 > Mathematics

0 answers

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Which type of ques can come in final exam...

Posted by Adarsh Sharma 8 years, 1 month ago

CBSE > Class 09 > Mathematics

5 answers

Amrita Patidar 8 years, 1 month ago

Oo that's right

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Ayush Mishra 8 years, 1 month ago

Gov. School Support material me se

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Amrita Patidar 8 years, 1 month ago

Abhi final exams h Kya...

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Amrita Patidar 8 years, 1 month ago

Inside the chapter

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Amrita Patidar 8 years, 1 month ago

All types Difficult and also some simple

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In fig ABCD is a cyclic quadrilateral chords AB and CD are produced to meet E show that EA×EB=EC×ED

Posted by Meenakshi Mishra 8 years, 1 month ago

CBSE > Class 09 > Mathematics

1 answers

Amaresh Mahalik 8 years, 1 month ago

20hz to 20khz

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Factorise 8 a3 + √27 b3

Posted by Sanjana Gupta 8 years, 1 month ago

CBSE > Class 09 > Mathematics

0 answers

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Under root 7 decimal expansion

Posted by Anjali Pudalwad 8 years, 1 month ago

CBSE > Class 09 > Mathematics

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Flowing are the ages (in year) of 360patients getting medical treatment in a hospital :

Posted by Zakir Ahmed Zakir Ahmed 8 years, 1 month ago

CBSE > Class 09 > Mathematics

2 answers

Mansi Kaira 8 years, 1 month ago

Sry bt I'm unable to understand the question

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Mansi Kaira 8 years, 1 month ago

Hloo

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7/3 underoot 3 -2 underoot 2

Posted by Devesh Vikram Singh 8 years, 1 month ago

CBSE > Class 09 > Mathematics

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What is force

Posted by Suraj Atram 8 years, 1 month ago

CBSE > Class 09 > Mathematics

5 answers

Pragya Nayak 8 years, 1 month ago

The product of mass and acceleration.

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Tanya Zanzad 8 years, 1 month ago

A push or pull applied to a body in object to change its position

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Prashant Chaudhary 8 years, 1 month ago

Anything which can change or try to change the position of an object called force.

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Pari Wagh 8 years, 1 month ago

A push or a pull on a body is called force

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Nijit Singha 8 years, 1 month ago

Force is a push or pull

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Is evaporation exothermic or endothermic ?

Posted by Avesh Yadav 8 years, 1 month ago

CBSE > Class 09 > Mathematics

1 answers

Tanya Zanzad 8 years, 1 month ago

IT'S EXOTHERMIC BECAUSE ITS HAPPENS OUT NOT INN

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If (3_15 degree)and (5) are complementary angles .find the angles ............

Posted by Priyanshu Kumar 8 years, 1 month ago

CBSE > Class 09 > Mathematics

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find the value of p if X2+px-36the given ratio 1:3

Posted by Govind Rathor 8 years, 1 month ago

CBSE > Class 09 > Mathematics

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125x×25÷5x

Posted by Sanjeev Yadav 8 years, 1 month ago

CBSE > Class 09 > Mathematics

1 answers

Utkarsh Singh 8 years, 1 month ago

Ans. Is 625

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Anyone from warangal

Posted by Sahaja Gade 8 years, 1 month ago

CBSE > Class 09 > Mathematics

0 answers

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Find the volume of ice cream If height of conical part is 10cm and radius 3cm with hemisphere of same radius?

Posted by Payal Pratap 8 years, 1 month ago

CBSE > Class 09 > Mathematics

2 answers

Khushi Singh 8 years, 1 month ago

And l square= h square+ r square

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Khushi Singh 8 years, 1 month ago

Just find the volume of cone and hemisphere and add them

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if side of the cube is 6cm, find its volume

Posted by Lovey Tada 8 years, 1 month ago

CBSE > Class 09 > Mathematics

4 answers

Utkarsh Singh 8 years, 1 month ago

216

2Thank You

Nancy Garg 8 years, 1 month ago

a×a×a =6×6×6= 216

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Lovey Tada 8 years, 1 month ago

volume of cube =a×a×a =216

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H . 8 years, 1 month ago

216

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If x subtract by 1 is the factor of the polynomial p x is equal to 3 x power 4 subtract 4 x cube subtract X at 2 then find the value of a

Posted by Sanjay Kushwaha 8 years, 1 month ago

CBSE > Class 09 > Mathematics

0 answers

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