grade 8 number theory


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Question 8
Question: Find three numbers in AP whose sum is 33 and whose product is 1155. Answer: Let a - d, a, a + d be the three numbers in AP. The numbers are ..
Question 8
Question: The tenth term and the common difference of an AP are 22 and 3. Find the first term and the n t h term. Answer: To find a: t n = a + (n-1) d = -5 + (n-1)3 = -5 + 3n - 3 = 3n - 8..
Question 8
Question: Compute Answer: ..
Question 8
Question: Answer: ..
Example:
A set containing 2,3,5,7,8 is Written as {2,3,5,7,8} in Roster metho..
Complex number
Imaginary Number - Square root of a negative number is known as an imaginary number. a > 0 is an imaginary number. or A number whose square is negative is known as an imaginary number. . . . The symbol i, We write, Powers of ..
Imaginary Number
Square root of a negative number is known as an imaginary number. a > 0 is an imaginary number. or A number whose square is negative is known as an imaginary number. . . . The symbol i, We writ..
Example 4:
In the ratio 7:8, if the consequent is 40, what is the anteceden..
Irrational numbers 1 Animation
Learn through Animation Rational and Irrational Numbers..
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