Mathematics
a, b, c and d are in proportion. Assertion (A): a + b, a - b, c + d and c - d are in proportion. Reason (R): . 1. Assertion (A) is true, but Reason (R) is false. 2. Assertion (A) is false, but Reason (R) is true. 3. Both Assertion (A) and Reason (R) are correct, and Reason (R) is the correct reason for Assertion (A). 4. Both Assertion (A) and Reason (R) are correct, and Reason (R) is incorrect reason for Assertion (A).
Related Questions
a, b and c are in continued proportion.
Assertion (A): a is first proportion.
Reason (R): The first proportion is always the smallest of the three numbers.
Assertion (A) is true, but Reason (R) is false.
Assertion (A) is false, but Reason (R) is true.
Both Assertion (A) and Reason (R) are correct, and Reason (R) is the correct reason for Assertion (A).
Both Assertion (A) and Reason (R) are correct, and Reason (R) is incorrect reason for Assertion (A).
a, b, c and d are in proportion.
Assertion (A): a - c, c, b - d, d are in proportion.
Reason (R): a, c, b and d are in proportion.
Assertion (A) is true, but Reason (R) is false.
Assertion (A) is false, but Reason (R) is true.
Both Assertion (A) and Reason (R) are correct, and Reason (R) is the correct reason for Assertion (A).
Both Assertion (A) and Reason (R) are correct, and Reason (R) is incorrect reason for Assertion (A).
Find the compounded ratio of
(a + b)2 : (a - b)2, (a2 - b2) : (a2 + b2) and (a4 - b4) : (a + b)4.