Class 11 Mathematics
20 videos • 23 views • by Doctor of Mathematics
1
If X and Y are two sets such that n(X)=17,n(Y)=23 and n(X∪Y)=38,find n(X∩Y).
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2
In a group of students,100 students know Hindi,50 know English and 25 know both.Each of the student
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3
Let A={1,2,3,...,14}.Define a relation R from A to A by R={(x,y):3x-y=0,where x,yεA}. Write down its
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4
Gulaam Mustafa
e- Patshala
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5
How many 3-digit numbers can be formed by using the digits 1 to 9 if no digit is repeated?
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6
If nC8=nC2, find nC2.
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7
15 August 2023
Learn By Play(LBP)
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8
The Fibonacci sequence is defined by 1=a1=a2 and an=an-1+an-2.Find an+1/an,for n=1,2,3,4,5.
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9
A line passes through (x1,y1) and (h,k).If slop of the line is m , show that k-y1=m(h-x1).
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10
Ordered Pairs (Definition and some problems)
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11
Cartesian Products of Sets (Definition, Example,uses)
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12
Relation, Domain, Range, Codomain
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13
Relation, Domain, Codomain, Range of Relation, ordered Pairs (without Definition)
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14
Definition of Function, explanation of Domain,Codomain,Range of Function
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15
Polynomial Function (Definition),Domain, Codomain,Range,Graph
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16
Identify function (Definition),Domain, Codomain,Range
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17
Algebra of real functions (Addition, Subtraction, multiplication, Quotient)
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18
Constant Function (Relation and Functions)
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19
Prove that sin3θ=3sinθ-4sin^3θ
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20
find the modulus and amplitude of the complex number 1+i√3
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