CBSE > Class 10 > Mathematics | CBSE Board | Homework Help | myCBSEguide

No products in the cart.

Ask questions which are clear, concise and easy to understand.

Ask Question

If the polynomial 4x²k+2x+3 has equal and real roots then find the value of k

Posted by Gunjan Lodhi 2 years, 2 months ago

CBSE > Class 10 > Mathematics

3 answers

Srushti Nagane 2 years, 2 months ago

K = 1/12

M Charith 2 years, 2 months ago

K=12

Account Deleted 2 years, 2 months ago

D=b²-4ac=0 (2)²-4(2)(4k) =4-32k=0=8

ANSWER

In a parallelogram ABCD are three vertices A(3,4) B(3,8). C(9,8) then find the fourth vertices.

Posted by Sharad Soni 2 years, 2 months ago

CBSE > Class 10 > Mathematics

2 answers

M Charith 2 years, 2 months ago

9,4

Sharad Soni 2 years, 2 months ago

Fourth vertices is (9,4)

ANSWER

Check whether x3 - 3x2 + 5x = (x - 2)3 is quadratic equation or no

Posted by Afrin Khan 2 years, 2 months ago

CBSE > Class 10 > Mathematics

3 answers

Punit Singh 2 years, 2 months ago

This content has been hidden. One or more users have flagged this content as inappropriate. Once content is flagged, it is hidden from users and is reviewed by myCBSEguide team against our Community Guidelines. If content is found in violation, the user posting this content will be banned for 30 days from using Homework help section. Suspended users will receive error while adding question or answer. Question comments have also been disabled. Read community guidelines at https://mycbseguide.com/community-guidelines.html

Few rules to keep homework help section safe, clean and informative.

Don't post personal information, mobile numbers and other details.
Don't use this platform for chatting, social networking and making friends. This platform is meant only for asking subject specific and study related questions.
Be nice and polite and avoid rude and abusive language. Avoid inappropriate language and attention, vulgar terms and anything sexually suggestive. Avoid harassment and bullying.
Ask specific question which are clear and concise.

Remember the goal of this website is to share knowledge and learn from each other. Ask questions and help others by answering questions.

Punit Singh 2 years, 2 months ago

WELCOME

Punit Singh 2 years, 2 months ago

x3 - 3x2 + 5x = (x-2)3 x3 - 3x2 + 5x = x3 - 8 x3 - 3x2 + 5x - x3 = -8 - 3x2 + 5x - = -8 -3x2 + 5x + 8 = 0 ( both side multiply by minus ) 3x2 - 5x - 8 = 0 {this is a quadratic equation} : Yes

ANSWER

Ch 13

Posted by Sagar Kushwaha 2 years, 2 months ago

CBSE > Class 10 > Mathematics

1 answers

Sagar Kushwaha 2 years, 2 months ago

Q number 5

ANSWER

If the quadratic equation px² + 3x + q = 0 has two roots -1 and -2 then the value of q-p

Posted by ****0779 2 years, 2 months ago

CBSE > Class 10 > Mathematics

2 answers

M Charith 2 years, 2 months ago

=1

Nitesh Pal 2 years, 2 months ago

2q+1

ANSWER

If tanθ = a/b, then the value of asinθ+bcosθ/asinθ-bcosθ is

Posted by ****0779 2 years, 2 months ago

CBSE > Class 10 > Mathematics

1 answers

Arshdeep Singh 2 years, 2 months ago

0

ANSWER

If the nth term of an AP is given by a n=2n-1, then sum of its 15 terms is

Posted by ****0779 2 years, 2 months ago

CBSE > Class 10 > Mathematics

1 answers

Shiv Shankar Kumar 2 years, 2 months ago

Tn=2n-1 :T1=2×1-1=1 :T2=2×2-1=3 :common difference=d=T2-T1=3-1=2 Tn=a+(n-1)d :T1=a+(1-1)2=1 :a+0=1 :a=1 :Sn=n÷2[2a+(n-1)d] S15=15÷2[2×1+14×2] :=15÷2×30 =15×15=225

ANSWER

If the zeroes of polynomial p(x) = 2x^2-7x+k are reciprocal of each other , then the value of K is (a) 1 (b) 2 (c) 3 (d) 4

Posted by ****0779 2 years, 2 months ago

CBSE > Class 10 > Mathematics

1 answers

M Charith 2 years, 2 months ago

(b) 2

ANSWER

If am is not equal to bL then the pair of linear equation ax+by=c and Lx+my=n has

Posted by ****0779 2 years, 2 months ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

If HCF of 144 and 180 is expressed in the form 13m-3, find the value of m

Posted by ****0779 2 years, 2 months ago

CBSE > Class 10 > Mathematics

3 answers

Dhruvi Maheshwari 2 years, 2 months ago

M=3

Yogitha Rajan 2 years, 2 months ago

144=2×2×2×2×3×3 180=2×2×3×3×5 HCF=2×2×3×3 HCF=36 HCF=13m-3 13m-3=36 13m=36+3 m=39÷13 m=3

Yogitha Rajan 2 years, 2 months ago

m=3

ANSWER

Volume of sphere=?

Posted by Subhash Kumar 2 years, 2 months ago

CBSE > Class 10 > Mathematics

1 answers

Shreshth Shukla 2 years, 2 months ago

4/3 πr3

ANSWER

How many cards?

Posted by Subhash Kumar 2 years, 2 months ago

CBSE > Class 10 > Mathematics

3 answers

Pooja Sharma 2 years, 2 months ago

52

Muskan Negi 2 years, 2 months ago

52 cards

Dasharath Khatik 2 years, 2 months ago

a+b ka hole square

ANSWER

What are the value of Sin90 and Cos90 ?

Posted by Subhash Kumar 2 years, 2 months ago

CBSE > Class 10 > Mathematics

2 answers

Muskan Negi 2 years, 2 months ago

1&0 are the value of sin90 & cos90

Adarsh Yadav 2 years, 2 months ago

0 and 1 respectively

ANSWER

1/SinA=?

Posted by Subhash Kumar 2 years, 2 months ago

CBSE > Class 10 > Mathematics

4 answers

Chinmayi P P 2 years, 2 months ago

Cosec A

Ayush Singh 2 years, 2 months ago

P / hy

Piyush Chandel 2 years, 2 months ago

Cosec A

Himanshu Chaurasia 2 years, 2 months ago

Per/hyp

ANSWER

Alpha.beta =?

Posted by Subhash Kumar 2 years, 2 months ago

CBSE > Class 10 > Mathematics

3 answers

Shreshth Shukla 2 years, 2 months ago

Alpha.beta = c/a

Himanshu Chaurasia 2 years, 2 months ago

C/a

Rohit Chauhan 2 years, 2 months ago

C/a

ANSWER

Hii bro I need help you plzz plzz send me half yearly syllabus for exam

Posted by Subhash Kumar 2 years, 2 months ago

CBSE > Class 10 > Mathematics

1 answers

Himanshi Surana 2 years, 2 months ago

I am not in your school.. Ask your frnds rather than wasting your time here.. If you have no friends then in can't help

ANSWER

Alpha+beta=?

Posted by Subhash Kumar 2 years, 2 months ago

CBSE > Class 10 > Mathematics

2 answers

Rohit Chauhan 2 years, 2 months ago

-b/a

Sumit Kumar 2 years, 2 months ago

B by a

ANSWER

TanA.CotA =?

Posted by Subhash Kumar 2 years, 2 months ago

CBSE > Class 10 > Mathematics

3 answers

Shiv Shankar Kumar 2 years, 2 months ago

1

Meme Star 2 years, 2 months ago

TanA.cotA=1

Rohit Chauhan 2 years, 2 months ago

TanA.CotA= TanA. 1/TanA =1answer

ANSWER

What do you mean by real number 🤔

Posted by Subhash Kumar 2 years, 2 months ago

CBSE > Class 10 > Mathematics

2 answers

Ranveer Tomar 2 years, 2 months ago

Hmm

Rohit Chauhan 2 years, 2 months ago

All the natural numbers

ANSWER

Reliance segment joining the points a 3 - 4 and b1 2 is tric sected at the points p p - 2 and q 5 / 3q find the value of p and q

Posted by Shrishti Suman 2 years, 2 months ago

CBSE > Class 10 > Mathematics

1 answers

Shrishti Suman 2 years, 2 months ago

No answer 😢😢

ANSWER

How to plot the point in graph For class 10 And how to find the area in that graph itself

Posted by Shree Sainthavi 2 years, 2 months ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

The mean if 20 observations is 12 . If each observation is increased by 5 the find the new mean

Posted by Dashmeet Kaur 2 years, 2 months ago

CBSE > Class 10 > Mathematics

1 answers

Akangkshya Bordoloi 2 years, 2 months ago

60

ANSWER

(SecA+tanA) (1-sinA)=

Posted by Khushi Tiwari 2 years, 2 months ago

CBSE > Class 10 > Mathematics

2 answers

R. Harshan 2 years, 2 months ago

=(1/cos + sin/cos) (1-sin) =(1+sin/cos) (1-sin) =1²-sin²/cos =Cos²/cos =Cos*

♥︎‿♥︎ᴠɪɴɪᴛ ᴛɪᴡᴀʀɪ♥︎‿♥︎ 2 years, 2 months ago

Ok

ANSWER

The lines 2x+3y=8 and 16x+24y=64 are: (a) Parallel (b) Intersecting (c) Overlapping (d) None of these

Posted by Gaurav Pandey 2 years, 2 months ago

CBSE > Class 10 > Mathematics

3 answers

M Charith 2 years, 2 months ago

C

R. Harshan 2 years, 2 months ago

(C) over lapping

Kanu Choudhary 2 years, 2 months ago

Lines are overlapping

ANSWER

sinA.cosA=?

Posted by Dhairya Mehta 2 years, 2 months ago

CBSE > Class 10 > Mathematics

3 answers

Anuj Jangid 2 years, 2 months ago

1

Amit Dhakarey 2 years, 2 months ago

1

Abhay Singh 2 years, 2 months ago

1

ANSWER

If alpha,beta are the zeroes of the poly such that alpha+ beta=6 & alpha ×beta=4 find the polynomial

Posted by S Lohit 2 years, 2 months ago

CBSE > Class 10 > Mathematics

2 answers

M Charith 2 years, 2 months ago

x^2-6x-4

Riya Pandey 2 years, 2 months ago

X²-6x-4

ANSWER

Find the roots of the following quadratic formula 4 x square + 4√3 x + 3 is equal to zero

Posted by Rahul Chaudhary 2 years, 2 months ago

CBSE > Class 10 > Mathematics

5 answers

Rahul Chaudhary 1 year, 10 months ago

What is synapses

Rahul Chaudhary 2 years, 2 months ago

What is excretion

Rahul Chaudhary 2 years, 2 months ago

2, □ , 26

Rahul Chaudhary 2 years, 1 month ago

A= 5, D=3, an= 50, find n and sn

Sakshi Tiwari Sakshi Tiwari 2 years, 2 months ago

4X^2 +4√3x +3=0 4x^2+2√3x+ 2√3x + 3=0 2x(2x+√3) + √3(2x+√3) (2x+√3) (2x+√3) X= -√3/2 ,-√3/2

ANSWER

Give ap question

Posted by Chandresh Kurmi 2 years, 2 months ago

CBSE > Class 10 > Mathematics

1 answers

Chandresh Kurmi 2 years, 2 months ago

Give ap question

ANSWER

Prove that √3-2√2 is an irrational

Posted by C.R Shreya 2 years, 2 months ago

CBSE > Class 10 > Mathematics

1 answers

Juaditya Aiani 2 years, 2 months ago

Use contradiction method

ANSWER

How to solve 3.7×2÷√3

Posted by Palak Gupta 2 years, 2 months ago

CBSE > Class 10 > Mathematics

1 answers

Tanvi Verma 2 years, 2 months ago

Use BODMAS

ANSWER

Page 30 of 1971

myCBSEguide App

myCBSEguide

Trusted by 1 Crore+ Students

Test Generator

Test Generator

Create papers online. It's FREE.

CUET Mock Tests

CUET Mock Tests

75,000+ questions to practice only on myCBSEguide app

Google Play

Download myCBSEguide App