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Mathematics 20 Online
OpenStudy (anonymous):

If a and b be two Arithmetic mean between c and d , then a-c is?

OpenStudy (anonymous):

what do u mean by this : Am b/w c and d

OpenStudy (anonymous):

Arithmetic Mean

OpenStudy (anonymous):

so it is c,a,b,d

OpenStudy (anonymous):

a=b+c/2 ............ b = a+c/2

OpenStudy (anonymous):

Basically we have to find the common difference here..

OpenStudy (anonymous):

but hw?/

ganeshie8 (ganeshie8):

a-c = b-a = d-b = common difference sorry i didnt get wat the question is asking exactly.... .

OpenStudy (anonymous):

@mukushla

OpenStudy (anonymous):

SO A=B I THINK

OpenStudy (anonymous):

There can be n arithmetic means between c and d.. So, this is not the issue.. a and b are the means it simply implies: c, a, b and d are forming an AP..

OpenStudy (anonymous):

The option are (b-c)/2 b-c

OpenStudy (anonymous):

(b-c)/2

OpenStudy (anonymous):

If \(c, a, b, d\) are in \(A.P.\) Then: \[a = \frac{b+c}{2}\] Now find \(a - c\)..

OpenStudy (anonymous):

\[a - c = \frac{b + c}{2} - c \implies \frac{b+c - 2c}{2} \implies \frac{b-c}{2}\]

OpenStudy (anonymous):

What @sauravshakya

OpenStudy (anonymous):

u r correct lol

OpenStudy (anonymous):

thxxx

OpenStudy (anonymous):

Welcome dear..

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