If a,b,c,d are in G.P. while a-2,b-7,c-9,d-5 are in A.P., then a+b+c+d is divided by?


a)2 b)3 c)5 d)7

2 years ago

Share

Answers : (1)

                                        a=-3

b=-6
c=-12
d=-24.
2 years ago

Post Your Answer

More Questions On Algebra

Ask Experts

Have any Question? Ask Experts
Post Question
 
Answer ‘n’ Earn
Attractive Gift
Vouchers
To Win!!!
Click Here for details
1)If all the roots (zeros) of the polynomial f(x)=x^5+ax^4+bx^3+cx^2+dx-420 are integers larger than 1, then f(4)=? 2)Consider the two functions f(x) =x^2+2bx+1 and g(x)=2a(x+b), where the...
 
 
Hello student, Please find the answer to your question below f must have 5 (not necessarily distinct) roots d1, d2, . . . d5. f factors as (x – d1)(x – d2)(x – d3)(x...
  img
SHAIK AASIF AHAMED 2 months ago
consider a set {1,2,3.....40} what is the maximum number of elements possible in one of its its subset A={x:sum of no two elements in this set is a multiple of 5} [KVPY]
 
 
the subset is {1, 2, 5, 6, 7,11, 12, 16, 17, 21, 22, 26, 27, 31, 32, 36, 37}
 
Y RAJYALAKSHMI one month ago
if f(x)=x^4+x^3-2x^2-8x then which of the following are true?(a)f(x)=0 has 2 real roots . (b)f(x)=0 has real roots in (-1,2) sum of real roots of f(x)=0 is 2 (d) product of real roots isof...
 
 
Hello student, Please find the answer to your question below Iam unable to interpret your query.i think some part of the question is missing here because check whether constant term is...
  img
SHAIK AASIF AHAMED one month ago
 
Is there any constant term in the given polynomial? If there is no constant, then one of the roots will be ‘0’ and the other root is ‘2’. Other roots are complex. No. of real roots = 2 Sum...
 
Y RAJYALAKSHMI 3 months ago
prove that a(cosC-cosB)=2(b-c)cos^2(A/2)
 
 
Hello student, Please find the answer to your question below a/ 2(b-c) = cos^2(A/2)/ (cosC-cosB) lhs = a / 2 (b – c ) Now use sine rule a/ sinA = b/ sinB = c/ sinC = k So, lhs = a / 2...
  img
Nishant Vora one month ago
please give me some tips and techniques to solve different problems in trigonometry. now i an in 10 th standard .i want to know what books are required to make my concepts strong in...
 
 
Hello Student,please find answer to your question First, you should remember all the simple conversion of one trigonometric function to another. You should memorise all the trigonometric...
  img
Jitender Singh 3 months ago
View all Questions »