Concept:The pattern is that each two-digit number is transformed by squaring its digits and adding the results. Explanation:For 25: 22+52=4+25=29.For 41: 42+12=16+1=17.For 38: 32+82=9+64=73.Now apply the same rule to 63: 62+32=36+9=45. Answer:Thus, 63 → 45, which matches Option D.