help@askiitians.com

+91-87964 74404

Grade 12Algebra

Let s_1,s_2,.......and T_1,T_{2 …......}are two Arithmetic Sequences such that S₁ = T1 ₁
T₁ not 0
s₂ = 2T_{2 and}
S₁ + S₂+ …....S₁₀= T₁ + T₂ …...T₁₅
Then the value of {S₂ – S₁} / ( T₂ – T₁)

Alex

7 Years agoGrade 12

1 Answer

Hanisha

7 Years ago

let first elements and common differences in both elements are a1,a2,d1,d2

a1=a2=a due to s1= s2

a1+d1=2a2=2d2 due to s2=2t2

d1=a+2d2

4a+18d1=6a+42d2

4a+18a+36d2=6a+42d2

16a=6d2

d2=8a/3

d1=17a/3

s2-s1/t2-t1=d1/d2=17/8

What is a binomial expression?

algebra

1 Answer Available

Last Activity: 2 Years ago

Can we divide two vectors? If this is possible then how?

algebra

1 Answer Available

Last Activity: 2 Years ago

How do you write “the product of 18 and q” as an algebraic expression?

algebra

1 Answer Available

Last Activity: 2 Years ago

दहावीच्या आय सी एस इ विद्यार्थ्यांनी पुढे काय करायला पाहिजे

algebra

1 Answer Available

Last Activity: 3 Years ago

Find the least number of square tiles by which the floor of a room of dimensions 16.58 m and 8.32 m can be covered completely. why HCF and not LCM as “least” keywor dis given?

algebra

1 Answer Available

Last Activity: 3 Years ago

View all Questions