7x-7y=14 রেখাটির ঢাল কত?
Solution
Correct Answer: Option A
দেওয়া আছে ,
7x-7y=14
অতএব , ঢাল = -(x এর সহগ /yএর সহগ )
= -(7/-7)
= 7/7
= 1
7x-7y=14
অতএব , ঢাল = -(x এর সহগ /yএর সহগ )
= -(7/-7)
= 7/7
= 1
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