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Byju's Answer
Standard XII
Mathematics
Intersection of Sets
Find -38-711A...
Question
Find
−
3
8
−
7
11
(A)
−
1
9
88
(B)
−
1
1
88
(C)
−
1
8
11
(D)
−
1
13
88
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Solution
−
3
8
−
−
7
11
=
−
3
×
11
8
×
11
−
7
×
8
11
×
8
=
−
33
−
56
11
×
8
=
−
89
88
=
−
1
1
88
So, option B is correct answer.
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Q.
Find the sum:
(i) 2 + 4 + 6 ... + 200
(ii) 3 + 11 + 19 + ... + 803
(iii) (−5) + (−8)+ (−11) + ... + (−230)
(iv) 1 + 3 + 5 + 7 + ... + 199
(v)
7
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.
.
.
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84
(vi) 34 + 32 + 30 + ... + 10
(vii) 25 + 28 + 31 + ... + 100
(viii)
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