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Question 31

Mathematics Differentiation Hard

The lines 3x - 4y + 4 = 0 and 6x - 8y - 7 = 0 are tangents to the same circle. The radius of this circle is:

(A) <span class="math-tex">\(\dfrac32\)</span>
(B) <span class="math-tex">\(\dfrac34\)</span>
(C) <span class="math-tex">\(\dfrac45\)</span>
(D) <span class="math-tex">\(\dfrac7{10}\)</span>
✓ Correct Answer: Option B Verified Solution

📘 Step-by-Step Solution & Detailed Explanation:

Correct Option is B. Practice regular variations of this Differentiation concept to build speed and accuracy.

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