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: Answer: ..
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 ..
Example 4:
In the ratio 7:8, if the consequent is 40, what is the anteceden..
Irrational numbers 2 Animation
Learn through Animation Rational and Irrational Numbers..
Example 9:
Two numbers are in the ratio 3:4. If 8 is added to the numbers, the ratio becomes 5:6. Find the numbers..
Example:
The triplicate ratio of 2:3 is 2 3 :3 3 =8:2..
Example:
The compounded ratio of 2:3 and 4:5 is 2 x 4:3 x 5 i.e. 8:..
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