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How to identify a set
  • 0 answers
Sin 6 x + cos 6x
  • 0 answers
What is assosiative law
  • 1 answers

Khushi Patil 1 day ago

Associative law, in mathematics, either of two laws relating to number operations of addition and multiplication, stated symbolically: a + (b + c) = (a + b) + c, and a(bc) = (ab)c; that is, the terms or factors may be associated in any way desired.
Show that for any sets A and B A=(A u B)
  • 1 answers

Akash Tomar 2 days, 3 hours ago

When B is subset of A
Prove that cot2 pi/6+ cosec5pi/6+3tan2pi/6=6
  • 1 answers

Gaurav Seth 2 days, 4 hours ago

Question: 

Prove that: 

cot2 pi/6 + cosec 5pi/6 + 3tan2 pi/6 = 6

Solution:

L.H.S.

= R.H.S.

What is onto function
  • 0 answers
If the sum of n terms of an A.p is 3n²+5n. And it's m t h term is164.find the value of m
  • 1 answers

Gaurav Seth 3 days, 4 hours ago

Sn=3n2+5n

S1=a1=3(1)2+5(1)=8

S2=3(2)2+5(2)=22

S2=22=a1+a2

a2=22-8=14

d=a2-a1=14-8=6

nth term value is 164,then what is n?

nth term=a+(n-1)d

164=8+(n-1)6

164-8 / 6=n-1

156/6=n-1

26+1=n

n=27

So 27thterm is 164.

Why -1is not a prime no which has two factor 1or-1
  • 1 answers

Soorma Bhopali 💁💁 3 days, 16 hours ago

-1 is not a factor only 1 is a factor...
What is an induction ?
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{3,4}€A
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