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If a is a positive rational number and n is a positive integer greater than 1,then for what value of n,a is a rational number?

Posted by Aman Preet Singh 1 year, 5 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

The point lies on (2‚3) the graph O equation 3x - (a-1) is it why is it was to 2A - 1 if the same point also lies on the graph of linear equation 5x +(1-2a)y=3b ‚ find the value of b

Posted by Nirmala Mankar 1 year, 5 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

EXERCISE 12.1 1. A traffic signal board indicated SCHOOL AHEAD,is an equilateral triangle with side a. Find the area of the signal board,using heron's formula.If it's perimeter is 180cm what will be an area of the signal board?

Posted by Indushri Kulkarni 1 year, 5 months ago

CBSE > Class 09 > Mathematics

1 answers

Namasvi Chouhan 1 year, 4 months ago

Triangle have 3 sides let's take sides =a Sides = perimeter 3a = 180cm a = 180/3 a = 60 cm a=60 , b=60 , c=60 s=a+b+c/2 s = 180/2 s = 90 cm All are in square root √s(s-a)(s-b)(s-c) √90(90-60)(90-60)(90-60) cm² √90×30×30×30 cm² √30×3×30×30×30 cm² 30×30√3 cm² Answer is 900√3 cm²

ANSWER

(3x-5y+4)(9x²+y²+z²-xy+yz+zx

Posted by Ravi K.R Sinha 1 year, 5 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

Recall, pie is defined as the ratio of the circumference (c) of a to its diameter(d). That is, pie = c/d

Posted by Jossika Nandhakumar 1 year, 5 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

Theorem of Euclid division lemma

Posted by Anjana Kumari 1 year, 5 months ago

CBSE > Class 09 > Mathematics

1 answers

Nidhi Patel 1 year, 5 months ago

Hi

ANSWER

The decimal expansion of every irrational number is always _________

Posted by Seema Sharma 1 year, 5 months ago

CBSE > Class 09 > Mathematics

1 answers

Bhavya Singla 1 year, 5 months ago

Non terminating non recurring

ANSWER

If y = -1 is a zero of the polynomial q(y) =4y³+ky²-y-1 then find the value of k.

Posted by Aditya Singh Chib 1 year, 5 months ago

CBSE > Class 09 > Mathematics

2 answers

Bhavya Singla 1 year, 5 months ago

Q(y) = 4y³ +ky²-y-1 Y=-1 Q(-1) = 4(-1)³+k(-1)²-(-1)-1 = 4(-1)+k(1)+1-1 = -4+k+0 -4+k =0 K =4

Bhumesh Garg 1 year, 5 months ago

q(-1) =0 4(-1) ³+k(-1) ²-(-1) -1=0 4 x -1 +k x 1 +1 - 1=0 -4+k+0=0 -4+k=0 k=4

ANSWER

If y = - 1 is a k * u ^ 2 - u - 1 # zero of the polynomial g(y) * 4y * 3 then find

Posted by Aditya Singh Chib 1 year, 5 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

Find the value of polynomial 8x^3 - 6x ^ 2 + 2a ^ f * x = 1

Posted by Aditya Singh Chib 1 year, 5 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

P(x)=root x+1 is not a polynomial.Give reason

Posted by Aditya Singh Chib 1 year, 5 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

Find which of the you variable x,y z,and u represent x²=5

Posted by Neeta Vora 1 year, 5 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

1. Find a and b (i) √3-1÷√3+1=a - b√3

Posted by Manikanta A 1 year, 5 months ago

CBSE > Class 09 > Mathematics

1 answers

Manikanta A 1 year, 5 months ago

√3-1÷√3+1*√3-1÷√3-1=(√3-1)™

ANSWER

7-√3/7+√3 + 7+√3/7-√3 = p-q√3

Posted by Joon Sara 1 year, 5 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

Identify whether 25.252525 is a rational or irrational number. Justify your answer

Posted by Shreya Kalra 1 year, 5 months ago

CBSE > Class 09 > Mathematics

1 answers

Sashwati Lahkar 1 year, 5 months ago

Yes it's a rational number because it is non terminating repeating number.. Hope it helps you

ANSWER

Spiral method

Posted by Palaniappan N 1 year, 5 months ago

CBSE > Class 09 > Mathematics

1 answers

Palaniappan N 1 year, 5 months ago

How to do spiral method

ANSWER

If 5+underoot 3/5-underoot3 =1/2a-3b underoot 15

Posted by Sargam Vijay Dalia 1 year, 5 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

* 2sqrt(2) * x ^ 2 + 9x +5 sqrt 2

Posted by Rajveer Singh 1 year, 5 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

Construt a trangle PQR in which QR-6cm,angleQ=60°andPR-PQ=2cm

Posted by Kanishka Verma 1 year, 5 months ago

CBSE > Class 09 > Mathematics

1 answers

Kanishka Verma 1 year, 5 months ago

Please help

ANSWER

Rationalize 3 -------------------

Posted by Hamkukma Debbarma 1 year, 5 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

(vi 15.) sports teacher know yoga. She asked Kriti t_{0} she yoga posture. She made marks on angles. She showed, acute, obtuse and right angles through yoga pastures. Based on above information, answer the followi questions:- exterior angle of triangle is, sum of the two interior opposite angle. Sum of three interior angle. Difference of two interior angle. d) opposite of interior angle,

Posted by Arusjg Vshah 1 year, 5 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

Insert 3 rational number between 1/5 and 3/5

Posted by Krishika Mittal 1 year, 5 months ago

CBSE > Class 09 > Mathematics

1 answers

Deepak Chahal 1 year, 5 months ago

5/20, 6/20,7/20,8/20,9/20

ANSWER

If x 1/x =3 calculate x²+ 1 /x² , x³ and x⁴ +1/x⁴

Posted by Diksha Tehlani 1 year, 5 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

Write a linear equation in two variables whose one solution is given by the point ( a,b )

Posted by Simran Saini 1 year, 5 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

Arrange in descending order 3root 2, 3root3, 3root 4

Posted by Ritika Kain 1 year, 5 months ago

CBSE > Class 09 > Mathematics

1 answers

Megh Patel 1 year, 5 months ago

3root 2, 3root 4, 3 oot 2

ANSWER

Which is greater 4root 3and 5root 3

Posted by Ritika Kain 1 year, 5 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

A survey was done in a small area in which the route 9 + 2x - √2x what is the man and 5 / root 9 + 2x what is the moment then find x if the number of men is equal to the number of women

Posted by Lakshyaa Jain 1 year, 5 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

Find six rational numbers between 3/5 and 4/5

Posted by Prabhakaran Kasi 1 year, 5 months ago

CBSE > Class 09 > Mathematics

2 answers

Pranay Harsha 1 year, 5 months ago

I want the long division method of x3+13x2+32x+20

Utpal Kumar 1 year, 5 months ago

3/5×7/7 And 4/5×7/7 = 21/35 and 28/35 = 22/35,23/35,24/35,25/35,26/35,27/35

ANSWER

How many linear equations in X and y can be formed by x = 18 and y = 4?

Posted by Yashoda Chand 1 year, 5 months ago

CBSE > Class 09 > Mathematics

1 answers

Aryan Sharma 1 year, 5 months ago

Infinite

ANSWER

p(x)=x3

Posted by Khushi Thakar 1 year, 5 months ago

CBSE > Class 09 > Mathematics

0 answers

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