Question
Download Solution PDFजर a, b, c, समांतर श्रेणीमध्ये असेल तरः
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFवापरलेली संकल्पना:
a, b, c… आणि वगैरे श्रेणी मालिका असू दे
आपल्याला माहित आहे की सामान्य फरक = b - a, c - b.
अंकगणित प्रगतीत सामान्य फरक समान आहे
b – a = c – b
गणना:
b – a = c – b
⇒ b + b = c + a
⇒ 2b = c + a
⇒ 2b = a + c
∴ a, b, c अंकगणित प्रगतीत आहेत तर 2 b = a + c.
Alternate Method
AP मध्ये संख्या 1, 2, 3 मानूया
फक्त एका पर्यायाने समीकरण पूर्ण केले
2(2 ) 1 + 3 =so 2b = a + c हा योग्य पर्याय आहे.
Last updated on Jun 11, 2025
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