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Ask QuestionPosted by Dharani Rajendran 5 years, 6 months ago
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Posted by Affan Bahadur Shah 5 years, 6 months ago
- 1 answers
Yogita Ingle 5 years, 6 months ago
(7×+2) (9×+1)
= 7x(9x + 1) + 2 (9x + 1)
= 63x2 +7x + 18x + 2
= 63x2 + 25 x+ 2
Posted by Afeef Mohammed 5 years, 6 months ago
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Anupam Kumari 5 years, 6 months ago
Posted by Harpuneet Singh 5 years, 6 months ago
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Sri Bhava Pragalyaa 5 years, 6 months ago
Posted by Srijan Madey 5 years, 6 months ago
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Sri Bhava Pragalyaa 5 years, 6 months ago
Meghna Thapar 5 years, 6 months ago
In mathematics, a rational number is a number that can be written as a fraction. Rational numbers are all real numbers, and can be positive or negative. A number that is not rational is called irrational. Most of the numbers that people use in everyday life are rational. These include fractions and integers. A rational number is a number that can be written as a ratio. That means it can be written as a fraction, in which both the numerator (the number on top) and the denominator (the number on the bottom) are whole numbers. The number 8 is a rational number because it can be written as the fraction 8/1.
Posted by Sri Bhava Pragalyaa 5 years, 6 months ago
- 2 answers
Yogita Ingle 5 years, 6 months ago
Definitions of surd: A root of a positive real quantity is called a surd if its value cannot be exactly determined.
Surds are the irrational numbers which are roots of positive integers and the value of roots can’t be determined. Surds have infinite non-recurring decimals. Examples are √2, √5, ∛17 which are square roots or cube roots or nth root of any positive integer.
For example, each of the quantities √3, ∛7, ∜19, (16)^2525 etc. is a surd.
Posted by Baljit Kaur Baljit Kaur 5 years, 6 months ago
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Posted by Arvind Physics 5 years, 6 months ago
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Posted by Nitin Singh 5 years, 6 months ago
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Posted by Akshara Shri 5 years, 6 months ago
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Posted by Momin Gulzar 5 years, 6 months ago
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Akanksha Verma 5 years, 6 months ago
Posted by Mohit Kumar 5 years, 6 months ago
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Yogita Ingle 5 years, 6 months ago
x2 + 8x + 16
= x2 + 4x + 4x + 16
= x(x + 4) + 4(x + 4)
= (x+4)(x +4)
= (x+4)2
Posted by Udit Sharawat 5 years, 6 months ago
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Posted by Somwati Sain 5 years, 6 months ago
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Posted by Lalit Falguni 5 years, 6 months ago
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Posted by Dhruv Singh 5 years, 6 months ago
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Sri Bhava Pragalyaa 5 years, 6 months ago
Posted by Momin Gulzar 5 years, 6 months ago
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Gaurav Seth 5 years, 6 months ago
144 - 1 = 143
143 - 3 = 140
140 - 5 = 135
135 - 7 = 128
128 - 9 = 119
119 - 11 = 108
108 - 13 = 95
95 - 15 = 80
80 - 17 = 63
63 - 19 = 44
44 - 21 = 23
23 - 23 = 0
Since the last difference is zero, 144 is a perfect square.
The square root of 144 is 12 as we have performed repeated subtraction 12 times and after the 12 the subtraction, the remainder is zero.
Posted by Mahendra Kumar 5 years, 6 months ago
- 1 answers
Yogita Ingle 5 years, 6 months ago
A parallelogram is a two-dimensional geometrical shape, whose sides are parallel with each other. It is made up of four sides, where the pair of parallel sides are equal in length. Also, the opposite angles of a parallelogram are equal to each other.
Posted by Varad Pawar 5 years, 6 months ago
- 5 answers
Sameer Ali 5 years, 6 months ago

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Gayatri Guntreddi 5 years, 6 months ago
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