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

Posted by Gunjan Lodhi 2 years ago

CBSE > Class 10 > Mathematics

3 answers

Srushti Nagane 2 years ago

K = 1/12

M Charith 2 years ago

K=12

Account Deleted 2 years 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 ago

CBSE > Class 10 > Mathematics

2 answers

M Charith 2 years ago

9,4

Sharad Soni 2 years 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 ago

CBSE > Class 10 > Mathematics

3 answers

Punit Singh 2 years ago

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Punit Singh 2 years ago

WELCOME

Punit Singh 2 years 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 ago

CBSE > Class 10 > Mathematics

1 answers

Sagar Kushwaha 2 years 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 ago

CBSE > Class 10 > Mathematics

2 answers

M Charith 2 years ago

=1

Nitesh Pal 2 years ago

2q+1

ANSWER

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

Posted by ****0779 2 years ago

CBSE > Class 10 > Mathematics

1 answers

Arshdeep Singh 2 years 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 ago

CBSE > Class 10 > Mathematics

1 answers

Shiv Shankar Kumar 2 years 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 ago

CBSE > Class 10 > Mathematics

1 answers

M Charith 2 years 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 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 ago

CBSE > Class 10 > Mathematics

3 answers

Dhruvi Maheshwari 2 years ago

M=3

Yogitha Rajan 2 years 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 ago

m=3

ANSWER

Volume of sphere=?

Posted by Subhash Kumar 2 years ago

CBSE > Class 10 > Mathematics

1 answers

Shreshth Shukla 2 years ago

4/3 πr3

ANSWER

How many cards?

Posted by Subhash Kumar 2 years ago

CBSE > Class 10 > Mathematics

3 answers

Pooja Sharma 2 years ago

52

Muskan Negi 2 years ago

52 cards

Dasharath Khatik 2 years ago

a+b ka hole square

ANSWER

What are the value of Sin90 and Cos90 ?

Posted by Subhash Kumar 2 years ago

CBSE > Class 10 > Mathematics

2 answers

Muskan Negi 2 years ago

1&0 are the value of sin90 & cos90

Adarsh Yadav 2 years ago

0 and 1 respectively

ANSWER

1/SinA=?

Posted by Subhash Kumar 2 years ago

CBSE > Class 10 > Mathematics

4 answers

Chinmayi P P 2 years ago

Cosec A

Ayush Singh 2 years ago

P / hy

Piyush Chandel 2 years ago

Cosec A

Himanshu Chaurasia 2 years ago

Per/hyp

ANSWER

Alpha.beta =?

Posted by Subhash Kumar 2 years ago

CBSE > Class 10 > Mathematics

3 answers

Shreshth Shukla 2 years ago

Alpha.beta = c/a

Himanshu Chaurasia 2 years ago

C/a

Rohit Chauhan 2 years 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 ago

CBSE > Class 10 > Mathematics

1 answers

Himanshi Surana 2 years 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 ago

CBSE > Class 10 > Mathematics

2 answers

Rohit Chauhan 2 years ago

-b/a

Sumit Kumar 2 years ago

B by a

ANSWER

TanA.CotA =?

Posted by Subhash Kumar 2 years ago

CBSE > Class 10 > Mathematics

3 answers

Shiv Shankar Kumar 2 years ago

1

Meme Star 2 years ago

TanA.cotA=1

Rohit Chauhan 2 years ago

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

ANSWER

What do you mean by real number 🤔

Posted by Subhash Kumar 2 years ago

CBSE > Class 10 > Mathematics

2 answers

Ranveer Tomar 2 years ago

Hmm

Rohit Chauhan 2 years 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 ago

CBSE > Class 10 > Mathematics

1 answers

Shrishti Suman 2 years 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 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 ago

CBSE > Class 10 > Mathematics

1 answers

Akangkshya Bordoloi 2 years ago

60

ANSWER

(SecA+tanA) (1-sinA)=

Posted by Khushi Tiwari 2 years ago

CBSE > Class 10 > Mathematics

2 answers

R. Harshan 2 years ago

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

♥︎‿♥︎ᴠɪɴɪᴛ ᴛɪᴡᴀʀɪ♥︎‿♥︎ 2 years 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 ago

CBSE > Class 10 > Mathematics

3 answers

M Charith 2 years ago

C

R. Harshan 2 years ago

(C) over lapping

Kanu Choudhary 2 years ago

Lines are overlapping

ANSWER

sinA.cosA=?

Posted by Dhairya Mehta 2 years ago

CBSE > Class 10 > Mathematics

3 answers

Anuj Jangid 2 years ago

1

Amit Dhakarey 2 years ago

1

Abhay Singh 2 years 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 ago

CBSE > Class 10 > Mathematics

2 answers

M Charith 2 years ago

x^2-6x-4

Riya Pandey 2 years 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 ago

CBSE > Class 10 > Mathematics

5 answers

Rahul Chaudhary 1 year, 9 months ago

What is synapses

Rahul Chaudhary 2 years ago

What is excretion

Rahul Chaudhary 2 years ago

2, □ , 26

Rahul Chaudhary 2 years ago

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

Sakshi Tiwari Sakshi Tiwari 2 years 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, 1 month ago

CBSE > Class 10 > Mathematics

1 answers

Chandresh Kurmi 2 years ago

Give ap question

ANSWER

Prove that √3-2√2 is an irrational

Posted by C.R Shreya 2 years, 1 month ago

CBSE > Class 10 > Mathematics

1 answers

Juaditya Aiani 2 years, 1 month ago

Use contradiction method

ANSWER

How to solve 3.7×2÷√3

Posted by Palak Gupta 2 years, 1 month ago

CBSE > Class 10 > Mathematics

1 answers

Tanvi Verma 2 years, 1 month ago

Use BODMAS

ANSWER

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