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4-2.Quadratic Equations and Inequations
normal
Consider the following two statements
$I$. Any pair of consistent liner equations in two variables must have a unique solution.
$II$. There do not exist two consecutive integers, the sum of whose squares is $365$.Then,
A
both $I$ and $II$ are true
B
both $I$ and $II$ are false
C
$I$ is true and $II$ is false
D
$I$ is false and $II$ is true
(KVPY-2018)
Solution
(b)
$(I)$ Any pair of consistent linear equation in two variables must have a unique solution. This statement is false. Consistent equation may have unique or infinite solution.
$(II)$ There do not exists two consecutive integers the sum of whose square is $365$ . This statement is also false
$13^2+14^2=365$
Standard 11
Mathematics